StructureDefinition Extension-UKCore-ObservationTriggeredBy

Canonical_URLDescriptionProfile_Purpose
http://hl7.org/fhir/5.0/StructureDefinition/extension-Observation.triggeredBy

This extension supports the sharing of the observation(s) that triggered the performance of the main observation.

This is a Pathology use case to backport R5 functionality to identify the observation(s) that triggered the performance of this observation.

Context of Use Observation

Tree View

id0..1string
id0..1string
extensionI0..*Extension
url1..1uriFixed Value
valueReferenceReference(Observation)
id0..1string
extensionI0..*Extension
url1..1uriFixed Value
valueCodecode
id0..1string
extensionI0..*Extension
url1..1uriFixed Value
valueStringstring
url1..1uriFixed Value

Table View

Extension0..*
Extension.idstring0..1
Extension.extensionExtension2..*
Extension.extensionExtension1..1
Extension.extension.idstring0..1
Extension.extension.extensionExtension0..*
Extension.extension.urluri1..1
Extension.extension.value[x]Reference(Observation)1..1
Extension.extensionExtension1..1
Extension.extension.idstring0..1
Extension.extension.extensionExtension0..*
Extension.extension.urluri1..1
Extension.extension.value[x]code1..1
Extension.extensionExtension0..1
Extension.extension.idstring0..1
Extension.extension.extensionExtension0..*
Extension.extension.urluri1..1
Extension.extension.value[x]string1..1
Extension.urluri1..1
Extension.value[x]base64Binary, boolean, canonical(), code, date, dateTime, decimal, id, instant, integer, markdown, oid, positiveInt, string, time, unsignedInt, uri, url, uuid, Address, Age, Annotation, Attachment, CodeableConcept, Coding, ContactPoint, Count, Distance, Duration, HumanName, Identifier, Money, Period, Quantity, Range, Ratio, Reference(), SampledData, Signature, Timing, ContactDetail, Contributor, DataRequirement, Expression, ParameterDefinition, RelatedArtifact, TriggerDefinition, UsageContext, Dosage, Meta0..0

XML View

<StructureDefinition xmlns="http://hl7.org/fhir">
    <id value="Extension-UKCore-ObservationTriggeredBy" />
    <url value="http://hl7.org/fhir/5.0/StructureDefinition/extension-Observation.triggeredBy" />
    <version value="1.1.0" />
    <name value="ExtensionUKCoreObservationTriggeredBy" />
    <title value="Extension UK Core Observation Triggered By" />
    <status value="active" />
    <date value="2023-12-12" />
    <publisher value="HL7 UK" />
    <contact>
        <name value="HL7 UK" />
        <telecom>
            <system value="email" />
            <value value="ukcore@hl7.org.uk" />
            <use value="work" />
            <rank value="1" />
        </telecom>
    </contact>
    <description value="This extension supports the sharing of the observation(s) that triggered the performance of the main observation." />
    <purpose value="This is a Pathology use case to backport R5 functionality to identify the observation(s) that triggered the performance of this observation." />
    <copyright value="Copyright &#169; 2021+ HL7 UK Licensed under the Apache License, Version 2.0 (the &quot;License&quot;); you may not use this file except in compliance with the License. You may obtain a copy of the License at  http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an &quot;AS IS&quot; BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. HL7&#174; FHIR&#174; standard Copyright &#169; 2011+ HL7 The HL7&#174; FHIR&#174; standard is used under the FHIR license. You may obtain a copy of the FHIR license at  https://www.hl7.org/fhir/license.html." />
    <fhirVersion value="4.0.1" />
    <mapping>
        <identity value="rim" />
        <uri value="http://hl7.org/v3" />
        <name value="RIM Mapping" />
    </mapping>
    <kind value="complex-type" />
    <abstract value="false" />
    <context>
        <type value="element" />
        <expression value="Observation" />
    </context>
    <type value="Extension" />
    <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Extension" />
    <derivation value="constraint" />
    <snapshot>
        <element id="Extension">
            <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
                <valueCode value="normative" />
            </extension>
            <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version">
                <valueCode value="4.0.0" />
            </extension>
            <path value="Extension" />
            <short value="Triggering observation(s)" />
            <definition value="Identifies the observation(s) that triggered the performance of this observation." />
            <min value="0" />
            <max value="*" />
            <base>
                <path value="Extension" />
                <min value="0" />
                <max value="*" />
            </base>
            <condition value="ele-1" />
            <constraint>
                <key value="ele-1" />
                <severity value="error" />
                <human value="All FHIR elements must have a @value or children" />
                <expression value="hasValue() or (children().count() &gt; id.count())" />
                <xpath value="@value|f:*|h:div" />
                <source value="http://hl7.org/fhir/StructureDefinition/Element" />
            </constraint>
            <constraint>
                <key value="ext-1" />
                <severity value="error" />
                <human value="Must have either extensions or value[x], not both" />
                <expression value="extension.exists() != value.exists()" />
                <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), &#39;value&#39;)])" />
                <source value="http://hl7.org/fhir/StructureDefinition/Extension" />
            </constraint>
            <mapping>
                <identity value="rim" />
                <map value="n/a" />
            </mapping>
            <mapping>
                <identity value="rim" />
                <map value="N/A" />
            </mapping>
        </element>
        <element id="Extension.id">
            <path value="Extension.id" />
            <representation value="xmlAttr" />
            <short value="Unique id for inter-element referencing" />
            <definition value="Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces." />
            <min value="0" />
            <max value="1" />
            <base>
                <path value="Element.id" />
                <min value="0" />
                <max value="1" />
            </base>
            <type>
                <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">
                    <valueUrl value="string" />
                </extension>
                <code value="http://hl7.org/fhirpath/System.String" />
            </type>
            <mapping>
                <identity value="rim" />
                <map value="n/a" />
            </mapping>
        </element>
        <element id="Extension.extension">
            <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
                <valueCode value="normative" />
            </extension>
            <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version">
                <valueCode value="4.0.0" />
            </extension>
            <path value="Extension.extension" />
            <slicing>
                <discriminator>
                    <type value="value" />
                    <path value="url" />
                </discriminator>
                <description value="Extensions are always sliced by (at least) url" />
                <rules value="open" />
            </slicing>
            <short value="Additional content defined by implementations" />
            <definition value="May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension." />
            <comment value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone." />
            <alias value="extensions" />
            <alias value="user content" />
            <min value="2" />
            <max value="*" />
            <base>
                <path value="Element.extension" />
                <min value="0" />
                <max value="*" />
            </base>
            <type>
                <code value="Extension" />
            </type>
            <condition value="ele-1" />
            <constraint>
                <key value="ele-1" />
                <severity value="error" />
                <human value="All FHIR elements must have a @value or children" />
                <expression value="hasValue() or (children().count() &gt; id.count())" />
                <xpath value="@value|f:*|h:div" />
                <source value="http://hl7.org/fhir/StructureDefinition/Element" />
            </constraint>
            <constraint>
                <key value="ext-1" />
                <severity value="error" />
                <human value="Must have either extensions or value[x], not both" />
                <expression value="extension.exists() != value.exists()" />
                <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), &#39;value&#39;)])" />
                <source value="http://hl7.org/fhir/StructureDefinition/Extension" />
            </constraint>
            <mapping>
                <identity value="rim" />
                <map value="n/a" />
            </mapping>
            <mapping>
                <identity value="rim" />
                <map value="N/A" />
            </mapping>
        </element>
        <element id="Extension.extension:observation">
            <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
                <valueCode value="normative" />
            </extension>
            <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version">
                <valueCode value="4.0.0" />
            </extension>
            <path value="Extension.extension" />
            <sliceName value="observation" />
            <short value="Triggering observation" />
            <definition value="Reference to the triggering observation." />
            <comment value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone." />
            <alias value="extensions" />
            <alias value="user content" />
            <min value="1" />
            <max value="1" />
            <base>
                <path value="Element.extension" />
                <min value="0" />
                <max value="*" />
            </base>
            <type>
                <code value="Extension" />
            </type>
            <condition value="ele-1" />
            <constraint>
                <key value="ele-1" />
                <severity value="error" />
                <human value="All FHIR elements must have a @value or children" />
                <expression value="hasValue() or (children().count() &gt; id.count())" />
                <xpath value="@value|f:*|h:div" />
                <source value="http://hl7.org/fhir/StructureDefinition/Element" />
            </constraint>
            <constraint>
                <key value="ext-1" />
                <severity value="error" />
                <human value="Must have either extensions or value[x], not both" />
                <expression value="extension.exists() != value.exists()" />
                <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), &#39;value&#39;)])" />
                <source value="http://hl7.org/fhir/StructureDefinition/Extension" />
            </constraint>
            <mapping>
                <identity value="rim" />
                <map value="n/a" />
            </mapping>
            <mapping>
                <identity value="rim" />
                <map value="N/A" />
            </mapping>
        </element>
        <element id="Extension.extension:observation.id">
            <path value="Extension.extension.id" />
            <representation value="xmlAttr" />
            <short value="Unique id for inter-element referencing" />
            <definition value="Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces." />
            <min value="0" />
            <max value="1" />
            <base>
                <path value="Element.id" />
                <min value="0" />
                <max value="1" />
            </base>
            <type>
                <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">
                    <valueUrl value="string" />
                </extension>
                <code value="http://hl7.org/fhirpath/System.String" />
            </type>
            <mapping>
                <identity value="rim" />
                <map value="n/a" />
            </mapping>
        </element>
        <element id="Extension.extension:observation.extension">
            <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
                <valueCode value="normative" />
            </extension>
            <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version">
                <valueCode value="4.0.0" />
            </extension>
            <path value="Extension.extension.extension" />
            <slicing>
                <discriminator>
                    <type value="value" />
                    <path value="url" />
                </discriminator>
                <description value="Extensions are always sliced by (at least) url" />
                <rules value="open" />
            </slicing>
            <short value="Additional content defined by implementations" />
            <definition value="May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension." />
            <comment value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone." />
            <alias value="extensions" />
            <alias value="user content" />
            <min value="0" />
            <max value="*" />
            <base>
                <path value="Element.extension" />
                <min value="0" />
                <max value="*" />
            </base>
            <type>
                <code value="Extension" />
            </type>
            <condition value="ele-1" />
            <constraint>
                <key value="ele-1" />
                <severity value="error" />
                <human value="All FHIR elements must have a @value or children" />
                <expression value="hasValue() or (children().count() &gt; id.count())" />
                <xpath value="@value|f:*|h:div" />
                <source value="http://hl7.org/fhir/StructureDefinition/Element" />
            </constraint>
            <constraint>
                <key value="ext-1" />
                <severity value="error" />
                <human value="Must have either extensions or value[x], not both" />
                <expression value="extension.exists() != value.exists()" />
                <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), &#39;value&#39;)])" />
                <source value="http://hl7.org/fhir/StructureDefinition/Extension" />
            </constraint>
            <mapping>
                <identity value="rim" />
                <map value="n/a" />
            </mapping>
            <mapping>
                <identity value="rim" />
                <map value="N/A" />
            </mapping>
        </element>
        <element id="Extension.extension:observation.url">
            <path value="Extension.extension.url" />
            <representation value="xmlAttr" />
            <short value="identifies the meaning of the extension" />
            <definition value="Source of the definition for the extension code - a logical name or a URL." />
            <comment value="The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension." />
            <min value="1" />
            <max value="1" />
            <base>
                <path value="Extension.url" />
                <min value="1" />
                <max value="1" />
            </base>
            <type>
                <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">
                    <valueUrl value="uri" />
                </extension>
                <code value="http://hl7.org/fhirpath/System.String" />
            </type>
            <fixedUri value="observation" />
            <mapping>
                <identity value="rim" />
                <map value="N/A" />
            </mapping>
        </element>
        <element id="Extension.extension:observation.value[x]">
            <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
                <valueCode value="normative" />
            </extension>
            <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version">
                <valueCode value="4.0.0" />
            </extension>
            <path value="Extension.extension.value[x]" />
            <short value="Value of extension" />
            <definition value="Value of extension - must be one of a constrained set of the data types (see [Extensibility](extensibility.html) for a list)." />
            <min value="1" />
            <max value="1" />
            <base>
                <path value="Extension.value[x]" />
                <min value="0" />
                <max value="1" />
            </base>
            <type>
                <code value="Reference" />
                <targetProfile value="http://hl7.org/fhir/StructureDefinition/Observation" />
            </type>
            <condition value="ele-1" />
            <constraint>
                <key value="ele-1" />
                <severity value="error" />
                <human value="All FHIR elements must have a @value or children" />
                <expression value="hasValue() or (children().count() &gt; id.count())" />
                <xpath value="@value|f:*|h:div" />
                <source value="http://hl7.org/fhir/StructureDefinition/Element" />
            </constraint>
            <mapping>
                <identity value="rim" />
                <map value="n/a" />
            </mapping>
            <mapping>
                <identity value="rim" />
                <map value="N/A" />
            </mapping>
        </element>
        <element id="Extension.extension:type">
            <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
                <valueCode value="normative" />
            </extension>
            <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version">
                <valueCode value="4.0.0" />
            </extension>
            <path value="Extension.extension" />
            <sliceName value="type" />
            <short value="reflex | repeat | re-run" />
            <definition value="The type of trigger. Reflex | Repeat | Re-run." />
            <comment value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone." />
            <alias value="extensions" />
            <alias value="user content" />
            <min value="1" />
            <max value="1" />
            <base>
                <path value="Element.extension" />
                <min value="0" />
                <max value="*" />
            </base>
            <type>
                <code value="Extension" />
            </type>
            <condition value="ele-1" />
            <constraint>
                <key value="ele-1" />
                <severity value="error" />
                <human value="All FHIR elements must have a @value or children" />
                <expression value="hasValue() or (children().count() &gt; id.count())" />
                <xpath value="@value|f:*|h:div" />
                <source value="http://hl7.org/fhir/StructureDefinition/Element" />
            </constraint>
            <constraint>
                <key value="ext-1" />
                <severity value="error" />
                <human value="Must have either extensions or value[x], not both" />
                <expression value="extension.exists() != value.exists()" />
                <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), &#39;value&#39;)])" />
                <source value="http://hl7.org/fhir/StructureDefinition/Extension" />
            </constraint>
            <binding>
                <strength value="required" />
                <valueSet value="http://hl7.org/fhir/ValueSet/observation-triggeredbytype" />
            </binding>
            <mapping>
                <identity value="rim" />
                <map value="n/a" />
            </mapping>
            <mapping>
                <identity value="rim" />
                <map value="N/A" />
            </mapping>
        </element>
        <element id="Extension.extension:type.id">
            <path value="Extension.extension.id" />
            <representation value="xmlAttr" />
            <short value="Unique id for inter-element referencing" />
            <definition value="Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces." />
            <min value="0" />
            <max value="1" />
            <base>
                <path value="Element.id" />
                <min value="0" />
                <max value="1" />
            </base>
            <type>
                <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">
                    <valueUrl value="string" />
                </extension>
                <code value="http://hl7.org/fhirpath/System.String" />
            </type>
            <mapping>
                <identity value="rim" />
                <map value="n/a" />
            </mapping>
        </element>
        <element id="Extension.extension:type.extension">
            <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
                <valueCode value="normative" />
            </extension>
            <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version">
                <valueCode value="4.0.0" />
            </extension>
            <path value="Extension.extension.extension" />
            <slicing>
                <discriminator>
                    <type value="value" />
                    <path value="url" />
                </discriminator>
                <description value="Extensions are always sliced by (at least) url" />
                <rules value="open" />
            </slicing>
            <short value="Additional content defined by implementations" />
            <definition value="May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension." />
            <comment value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone." />
            <alias value="extensions" />
            <alias value="user content" />
            <min value="0" />
            <max value="*" />
            <base>
                <path value="Element.extension" />
                <min value="0" />
                <max value="*" />
            </base>
            <type>
                <code value="Extension" />
            </type>
            <condition value="ele-1" />
            <constraint>
                <key value="ele-1" />
                <severity value="error" />
                <human value="All FHIR elements must have a @value or children" />
                <expression value="hasValue() or (children().count() &gt; id.count())" />
                <xpath value="@value|f:*|h:div" />
                <source value="http://hl7.org/fhir/StructureDefinition/Element" />
            </constraint>
            <constraint>
                <key value="ext-1" />
                <severity value="error" />
                <human value="Must have either extensions or value[x], not both" />
                <expression value="extension.exists() != value.exists()" />
                <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), &#39;value&#39;)])" />
                <source value="http://hl7.org/fhir/StructureDefinition/Extension" />
            </constraint>
            <mapping>
                <identity value="rim" />
                <map value="n/a" />
            </mapping>
            <mapping>
                <identity value="rim" />
                <map value="N/A" />
            </mapping>
        </element>
        <element id="Extension.extension:type.url">
            <path value="Extension.extension.url" />
            <representation value="xmlAttr" />
            <short value="identifies the meaning of the extension" />
            <definition value="Source of the definition for the extension code - a logical name or a URL." />
            <comment value="The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension." />
            <min value="1" />
            <max value="1" />
            <base>
                <path value="Extension.url" />
                <min value="1" />
                <max value="1" />
            </base>
            <type>
                <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">
                    <valueUrl value="uri" />
                </extension>
                <code value="http://hl7.org/fhirpath/System.String" />
            </type>
            <fixedUri value="type" />
            <mapping>
                <identity value="rim" />
                <map value="N/A" />
            </mapping>
        </element>
        <element id="Extension.extension:type.value[x]">
            <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
                <valueCode value="normative" />
            </extension>
            <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version">
                <valueCode value="4.0.0" />
            </extension>
            <path value="Extension.extension.value[x]" />
            <short value="Value of extension" />
            <definition value="Value of extension - must be one of a constrained set of the data types (see [Extensibility](extensibility.html) for a list)." />
            <min value="1" />
            <max value="1" />
            <base>
                <path value="Extension.value[x]" />
                <min value="0" />
                <max value="1" />
            </base>
            <type>
                <code value="code" />
            </type>
            <condition value="ele-1" />
            <constraint>
                <key value="ele-1" />
                <severity value="error" />
                <human value="All FHIR elements must have a @value or children" />
                <expression value="hasValue() or (children().count() &gt; id.count())" />
                <xpath value="@value|f:*|h:div" />
                <source value="http://hl7.org/fhir/StructureDefinition/Element" />
            </constraint>
            <mapping>
                <identity value="rim" />
                <map value="n/a" />
            </mapping>
            <mapping>
                <identity value="rim" />
                <map value="N/A" />
            </mapping>
        </element>
        <element id="Extension.extension:reason">
            <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
                <valueCode value="normative" />
            </extension>
            <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version">
                <valueCode value="4.0.0" />
            </extension>
            <path value="Extension.extension" />
            <sliceName value="reason" />
            <short value="Reason that the observation was triggered" />
            <definition value="Provides the reason why this observation was performed as a result of the observation(s) referenced." />
            <comment value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone." />
            <alias value="extensions" />
            <alias value="user content" />
            <min value="0" />
            <max value="1" />
            <base>
                <path value="Element.extension" />
                <min value="0" />
                <max value="*" />
            </base>
            <type>
                <code value="Extension" />
            </type>
            <condition value="ele-1" />
            <constraint>
                <key value="ele-1" />
                <severity value="error" />
                <human value="All FHIR elements must have a @value or children" />
                <expression value="hasValue() or (children().count() &gt; id.count())" />
                <xpath value="@value|f:*|h:div" />
                <source value="http://hl7.org/fhir/StructureDefinition/Element" />
            </constraint>
            <constraint>
                <key value="ext-1" />
                <severity value="error" />
                <human value="Must have either extensions or value[x], not both" />
                <expression value="extension.exists() != value.exists()" />
                <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), &#39;value&#39;)])" />
                <source value="http://hl7.org/fhir/StructureDefinition/Extension" />
            </constraint>
            <mapping>
                <identity value="rim" />
                <map value="n/a" />
            </mapping>
            <mapping>
                <identity value="rim" />
                <map value="N/A" />
            </mapping>
        </element>
        <element id="Extension.extension:reason.id">
            <path value="Extension.extension.id" />
            <representation value="xmlAttr" />
            <short value="Unique id for inter-element referencing" />
            <definition value="Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces." />
            <min value="0" />
            <max value="1" />
            <base>
                <path value="Element.id" />
                <min value="0" />
                <max value="1" />
            </base>
            <type>
                <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">
                    <valueUrl value="string" />
                </extension>
                <code value="http://hl7.org/fhirpath/System.String" />
            </type>
            <mapping>
                <identity value="rim" />
                <map value="n/a" />
            </mapping>
        </element>
        <element id="Extension.extension:reason.extension">
            <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
                <valueCode value="normative" />
            </extension>
            <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version">
                <valueCode value="4.0.0" />
            </extension>
            <path value="Extension.extension.extension" />
            <slicing>
                <discriminator>
                    <type value="value" />
                    <path value="url" />
                </discriminator>
                <description value="Extensions are always sliced by (at least) url" />
                <rules value="open" />
            </slicing>
            <short value="Additional content defined by implementations" />
            <definition value="May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension." />
            <comment value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone." />
            <alias value="extensions" />
            <alias value="user content" />
            <min value="0" />
            <max value="*" />
            <base>
                <path value="Element.extension" />
                <min value="0" />
                <max value="*" />
            </base>
            <type>
                <code value="Extension" />
            </type>
            <condition value="ele-1" />
            <constraint>
                <key value="ele-1" />
                <severity value="error" />
                <human value="All FHIR elements must have a @value or children" />
                <expression value="hasValue() or (children().count() &gt; id.count())" />
                <xpath value="@value|f:*|h:div" />
                <source value="http://hl7.org/fhir/StructureDefinition/Element" />
            </constraint>
            <constraint>
                <key value="ext-1" />
                <severity value="error" />
                <human value="Must have either extensions or value[x], not both" />
                <expression value="extension.exists() != value.exists()" />
                <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), &#39;value&#39;)])" />
                <source value="http://hl7.org/fhir/StructureDefinition/Extension" />
            </constraint>
            <mapping>
                <identity value="rim" />
                <map value="n/a" />
            </mapping>
            <mapping>
                <identity value="rim" />
                <map value="N/A" />
            </mapping>
        </element>
        <element id="Extension.extension:reason.url">
            <path value="Extension.extension.url" />
            <representation value="xmlAttr" />
            <short value="identifies the meaning of the extension" />
            <definition value="Source of the definition for the extension code - a logical name or a URL." />
            <comment value="The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension." />
            <min value="1" />
            <max value="1" />
            <base>
                <path value="Extension.url" />
                <min value="1" />
                <max value="1" />
            </base>
            <type>
                <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">
                    <valueUrl value="uri" />
                </extension>
                <code value="http://hl7.org/fhirpath/System.String" />
            </type>
            <fixedUri value="reason" />
            <mapping>
                <identity value="rim" />
                <map value="N/A" />
            </mapping>
        </element>
        <element id="Extension.extension:reason.value[x]">
            <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
                <valueCode value="normative" />
            </extension>
            <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version">
                <valueCode value="4.0.0" />
            </extension>
            <path value="Extension.extension.value[x]" />
            <short value="Value of extension" />
            <definition value="Value of extension - must be one of a constrained set of the data types (see [Extensibility](extensibility.html) for a list)." />
            <min value="1" />
            <max value="1" />
            <base>
                <path value="Extension.value[x]" />
                <min value="0" />
                <max value="1" />
            </base>
            <type>
                <code value="string" />
            </type>
            <condition value="ele-1" />
            <constraint>
                <key value="ele-1" />
                <severity value="error" />
                <human value="All FHIR elements must have a @value or children" />
                <expression value="hasValue() or (children().count() &gt; id.count())" />
                <xpath value="@value|f:*|h:div" />
                <source value="http://hl7.org/fhir/StructureDefinition/Element" />
            </constraint>
            <mapping>
                <identity value="rim" />
                <map value="n/a" />
            </mapping>
            <mapping>
                <identity value="rim" />
                <map value="N/A" />
            </mapping>
        </element>
        <element id="Extension.url">
            <path value="Extension.url" />
            <representation value="xmlAttr" />
            <short value="identifies the meaning of the extension" />
            <definition value="Source of the definition for the extension code - a logical name or a URL." />
            <comment value="The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension." />
            <min value="1" />
            <max value="1" />
            <base>
                <path value="Extension.url" />
                <min value="1" />
                <max value="1" />
            </base>
            <type>
                <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">
                    <valueUrl value="uri" />
                </extension>
                <code value="http://hl7.org/fhirpath/System.String" />
            </type>
            <fixedUri value="http://hl7.org/fhir/5.0/StructureDefinition/extension-Observation.triggeredBy" />
            <mapping>
                <identity value="rim" />
                <map value="N/A" />
            </mapping>
        </element>
        <element id="Extension.value[x]">
            <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
                <valueCode value="normative" />
            </extension>
            <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version">
                <valueCode value="4.0.0" />
            </extension>
            <path value="Extension.value[x]" />
            <short value="Value of extension" />
            <definition value="Value of extension - must be one of a constrained set of the data types (see [Extensibility](extensibility.html) for a list)." />
            <min value="0" />
            <max value="0" />
            <base>
                <path value="Extension.value[x]" />
                <min value="0" />
                <max value="1" />
            </base>
            <type>
                <code value="base64Binary" />
            </type>
            <type>
                <code value="boolean" />
            </type>
            <type>
                <code value="canonical" />
            </type>
            <type>
                <code value="code" />
            </type>
            <type>
                <code value="date" />
            </type>
            <type>
                <code value="dateTime" />
            </type>
            <type>
                <code value="decimal" />
            </type>
            <type>
                <code value="id" />
            </type>
            <type>
                <code value="instant" />
            </type>
            <type>
                <code value="integer" />
            </type>
            <type>
                <code value="markdown" />
            </type>
            <type>
                <code value="oid" />
            </type>
            <type>
                <code value="positiveInt" />
            </type>
            <type>
                <code value="string" />
            </type>
            <type>
                <code value="time" />
            </type>
            <type>
                <code value="unsignedInt" />
            </type>
            <type>
                <code value="uri" />
            </type>
            <type>
                <code value="url" />
            </type>
            <type>
                <code value="uuid" />
            </type>
            <type>
                <code value="Address" />
            </type>
            <type>
                <code value="Age" />
            </type>
            <type>
                <code value="Annotation" />
            </type>
            <type>
                <code value="Attachment" />
            </type>
            <type>
                <code value="CodeableConcept" />
            </type>
            <type>
                <code value="Coding" />
            </type>
            <type>
                <code value="ContactPoint" />
            </type>
            <type>
                <code value="Count" />
            </type>
            <type>
                <code value="Distance" />
            </type>
            <type>
                <code value="Duration" />
            </type>
            <type>
                <code value="HumanName" />
            </type>
            <type>
                <code value="Identifier" />
            </type>
            <type>
                <code value="Money" />
            </type>
            <type>
                <code value="Period" />
            </type>
            <type>
                <code value="Quantity" />
            </type>
            <type>
                <code value="Range" />
            </type>
            <type>
                <code value="Ratio" />
            </type>
            <type>
                <code value="Reference" />
            </type>
            <type>
                <code value="SampledData" />
            </type>
            <type>
                <code value="Signature" />
            </type>
            <type>
                <code value="Timing" />
            </type>
            <type>
                <code value="ContactDetail" />
            </type>
            <type>
                <code value="Contributor" />
            </type>
            <type>
                <code value="DataRequirement" />
            </type>
            <type>
                <code value="Expression" />
            </type>
            <type>
                <code value="ParameterDefinition" />
            </type>
            <type>
                <code value="RelatedArtifact" />
            </type>
            <type>
                <code value="TriggerDefinition" />
            </type>
            <type>
                <code value="UsageContext" />
            </type>
            <type>
                <code value="Dosage" />
            </type>
            <type>
                <code value="Meta" />
            </type>
            <condition value="ele-1" />
            <constraint>
                <key value="ele-1" />
                <severity value="error" />
                <human value="All FHIR elements must have a @value or children" />
                <expression value="hasValue() or (children().count() &gt; id.count())" />
                <xpath value="@value|f:*|h:div" />
                <source value="http://hl7.org/fhir/StructureDefinition/Element" />
            </constraint>
            <mapping>
                <identity value="rim" />
                <map value="n/a" />
            </mapping>
            <mapping>
                <identity value="rim" />
                <map value="N/A" />
            </mapping>
        </element>
    </snapshot>
    <differential>
        <element id="Extension">
            <path value="Extension" />
            <short value="Triggering observation(s)" />
            <definition value="Identifies the observation(s) that triggered the performance of this observation." />
        </element>
        <element id="Extension.extension">
            <path value="Extension.extension" />
            <min value="2" />
        </element>
        <element id="Extension.extension:observation">
            <path value="Extension.extension" />
            <sliceName value="observation" />
            <short value="Triggering observation" />
            <definition value="Reference to the triggering observation." />
            <min value="1" />
            <max value="1" />
        </element>
        <element id="Extension.extension:observation.url">
            <path value="Extension.extension.url" />
            <fixedUri value="observation" />
        </element>
        <element id="Extension.extension:observation.value[x]">
            <path value="Extension.extension.value[x]" />
            <min value="1" />
            <type>
                <code value="Reference" />
                <targetProfile value="http://hl7.org/fhir/StructureDefinition/Observation" />
            </type>
        </element>
        <element id="Extension.extension:type">
            <path value="Extension.extension" />
            <sliceName value="type" />
            <short value="reflex | repeat | re-run" />
            <definition value="The type of trigger. Reflex | Repeat | Re-run." />
            <min value="1" />
            <max value="1" />
            <binding>
                <strength value="required" />
                <valueSet value="http://hl7.org/fhir/ValueSet/observation-triggeredbytype" />
            </binding>
        </element>
        <element id="Extension.extension:type.url">
            <path value="Extension.extension.url" />
            <fixedUri value="type" />
        </element>
        <element id="Extension.extension:type.value[x]">
            <path value="Extension.extension.value[x]" />
            <min value="1" />
            <type>
                <code value="code" />
            </type>
        </element>
        <element id="Extension.extension:reason">
            <path value="Extension.extension" />
            <sliceName value="reason" />
            <short value="Reason that the observation was triggered" />
            <definition value="Provides the reason why this observation was performed as a result of the observation(s) referenced." />
            <max value="1" />
        </element>
        <element id="Extension.extension:reason.url">
            <path value="Extension.extension.url" />
            <fixedUri value="reason" />
        </element>
        <element id="Extension.extension:reason.value[x]">
            <path value="Extension.extension.value[x]" />
            <min value="1" />
            <type>
                <code value="string" />
            </type>
        </element>
        <element id="Extension.url">
            <path value="Extension.url" />
            <fixedUri value="http://hl7.org/fhir/5.0/StructureDefinition/extension-Observation.triggeredBy" />
        </element>
        <element id="Extension.value[x]">
            <path value="Extension.value[x]" />
            <max value="0" />
        </element>
    </differential>
</StructureDefinition>

JSON View

{
    "resourceType": "StructureDefinition",
    "id": "Extension-UKCore-ObservationTriggeredBy",
    "url": "http://hl7.org/fhir/5.0/StructureDefinition/extension-Observation.triggeredBy",
    "version": "1.1.0",
    "name": "ExtensionUKCoreObservationTriggeredBy",
    "title": "Extension UK Core Observation Triggered By",
    "status": "active",
    "date": "2023-12-12",
    "publisher": "HL7 UK",
    "contact":  [
        {
            "name": "HL7 UK",
            "telecom":  [
                {
                    "system": "email",
                    "value": "ukcore@hl7.org.uk",
                    "use": "work",
                    "rank": 1
                }
            ]
        }
    ],
    "description": "This extension supports the sharing of the observation(s) that triggered the performance of the main observation.",
    "purpose": "This is a Pathology use case to backport R5 functionality to identify the observation(s) that triggered the performance of this observation.",
    "copyright": "Copyright © 2021+ HL7 UK Licensed under the Apache License, Version 2.0 (the \"License\"); you may not use this file except in compliance with the License. You may obtain a copy of the License at  http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. HL7® FHIR® standard Copyright © 2011+ HL7 The HL7® FHIR® standard is used under the FHIR license. You may obtain a copy of the FHIR license at  https://www.hl7.org/fhir/license.html.",
    "fhirVersion": "4.0.1",
    "mapping":  [
        {
            "identity": "rim",
            "uri": "http://hl7.org/v3",
            "name": "RIM Mapping"
        }
    ],
    "kind": "complex-type",
    "abstract": false,
    "context":  [
        {
            "type": "element",
            "expression": "Observation"
        }
    ],
    "type": "Extension",
    "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Extension",
    "derivation": "constraint",
    "snapshot": {
        "element":  [
            {
                "id": "Extension",
                "extension":  [
                    {
                        "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
                        "valueCode": "normative"
                    },
                    {
                        "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version",
                        "valueCode": "4.0.0"
                    }
                ],
                "path": "Extension",
                "short": "Triggering observation(s)",
                "definition": "Identifies the observation(s) that triggered the performance of this observation.",
                "min": 0,
                "max": "*",
                "base": {
                    "path": "Extension",
                    "min": 0,
                    "max": "*"
                },
                "condition":  [
                    "ele-1"
                ],
                "constraint":  [
                    {
                        "key": "ele-1",
                        "severity": "error",
                        "human": "All FHIR elements must have a @value or children",
                        "expression": "hasValue() or (children().count() > id.count())",
                        "xpath": "@value|f:*|h:div",
                        "source": "http://hl7.org/fhir/StructureDefinition/Element"
                    },
                    {
                        "key": "ext-1",
                        "severity": "error",
                        "human": "Must have either extensions or value[x], not both",
                        "expression": "extension.exists() != value.exists()",
                        "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])",
                        "source": "http://hl7.org/fhir/StructureDefinition/Extension"
                    }
                ],
                "mapping":  [
                    {
                        "identity": "rim",
                        "map": "n/a"
                    },
                    {
                        "identity": "rim",
                        "map": "N/A"
                    }
                ]
            },
            {
                "id": "Extension.id",
                "path": "Extension.id",
                "representation":  [
                    "xmlAttr"
                ],
                "short": "Unique id for inter-element referencing",
                "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
                "min": 0,
                "max": "1",
                "base": {
                    "path": "Element.id",
                    "min": 0,
                    "max": "1"
                },
                "type":  [
                    {
                        "extension":  [
                            {
                                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                                "valueUrl": "string"
                            }
                        ],
                        "code": "http://hl7.org/fhirpath/System.String"
                    }
                ],
                "mapping":  [
                    {
                        "identity": "rim",
                        "map": "n/a"
                    }
                ]
            },
            {
                "id": "Extension.extension",
                "extension":  [
                    {
                        "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
                        "valueCode": "normative"
                    },
                    {
                        "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version",
                        "valueCode": "4.0.0"
                    }
                ],
                "path": "Extension.extension",
                "slicing": {
                    "discriminator":  [
                        {
                            "type": "value",
                            "path": "url"
                        }
                    ],
                    "description": "Extensions are always sliced by (at least) url",
                    "rules": "open"
                },
                "short": "Additional content defined by implementations",
                "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
                "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
                "alias":  [
                    "extensions",
                    "user content"
                ],
                "min": 2,
                "max": "*",
                "base": {
                    "path": "Element.extension",
                    "min": 0,
                    "max": "*"
                },
                "type":  [
                    {
                        "code": "Extension"
                    }
                ],
                "condition":  [
                    "ele-1"
                ],
                "constraint":  [
                    {
                        "key": "ele-1",
                        "severity": "error",
                        "human": "All FHIR elements must have a @value or children",
                        "expression": "hasValue() or (children().count() > id.count())",
                        "xpath": "@value|f:*|h:div",
                        "source": "http://hl7.org/fhir/StructureDefinition/Element"
                    },
                    {
                        "key": "ext-1",
                        "severity": "error",
                        "human": "Must have either extensions or value[x], not both",
                        "expression": "extension.exists() != value.exists()",
                        "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])",
                        "source": "http://hl7.org/fhir/StructureDefinition/Extension"
                    }
                ],
                "mapping":  [
                    {
                        "identity": "rim",
                        "map": "n/a"
                    },
                    {
                        "identity": "rim",
                        "map": "N/A"
                    }
                ]
            },
            {
                "id": "Extension.extension:observation",
                "extension":  [
                    {
                        "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
                        "valueCode": "normative"
                    },
                    {
                        "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version",
                        "valueCode": "4.0.0"
                    }
                ],
                "path": "Extension.extension",
                "sliceName": "observation",
                "short": "Triggering observation",
                "definition": "Reference to the triggering observation.",
                "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
                "alias":  [
                    "extensions",
                    "user content"
                ],
                "min": 1,
                "max": "1",
                "base": {
                    "path": "Element.extension",
                    "min": 0,
                    "max": "*"
                },
                "type":  [
                    {
                        "code": "Extension"
                    }
                ],
                "condition":  [
                    "ele-1"
                ],
                "constraint":  [
                    {
                        "key": "ele-1",
                        "severity": "error",
                        "human": "All FHIR elements must have a @value or children",
                        "expression": "hasValue() or (children().count() > id.count())",
                        "xpath": "@value|f:*|h:div",
                        "source": "http://hl7.org/fhir/StructureDefinition/Element"
                    },
                    {
                        "key": "ext-1",
                        "severity": "error",
                        "human": "Must have either extensions or value[x], not both",
                        "expression": "extension.exists() != value.exists()",
                        "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])",
                        "source": "http://hl7.org/fhir/StructureDefinition/Extension"
                    }
                ],
                "mapping":  [
                    {
                        "identity": "rim",
                        "map": "n/a"
                    },
                    {
                        "identity": "rim",
                        "map": "N/A"
                    }
                ]
            },
            {
                "id": "Extension.extension:observation.id",
                "path": "Extension.extension.id",
                "representation":  [
                    "xmlAttr"
                ],
                "short": "Unique id for inter-element referencing",
                "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
                "min": 0,
                "max": "1",
                "base": {
                    "path": "Element.id",
                    "min": 0,
                    "max": "1"
                },
                "type":  [
                    {
                        "extension":  [
                            {
                                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                                "valueUrl": "string"
                            }
                        ],
                        "code": "http://hl7.org/fhirpath/System.String"
                    }
                ],
                "mapping":  [
                    {
                        "identity": "rim",
                        "map": "n/a"
                    }
                ]
            },
            {
                "id": "Extension.extension:observation.extension",
                "extension":  [
                    {
                        "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
                        "valueCode": "normative"
                    },
                    {
                        "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version",
                        "valueCode": "4.0.0"
                    }
                ],
                "path": "Extension.extension.extension",
                "slicing": {
                    "discriminator":  [
                        {
                            "type": "value",
                            "path": "url"
                        }
                    ],
                    "description": "Extensions are always sliced by (at least) url",
                    "rules": "open"
                },
                "short": "Additional content defined by implementations",
                "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
                "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
                "alias":  [
                    "extensions",
                    "user content"
                ],
                "min": 0,
                "max": "*",
                "base": {
                    "path": "Element.extension",
                    "min": 0,
                    "max": "*"
                },
                "type":  [
                    {
                        "code": "Extension"
                    }
                ],
                "condition":  [
                    "ele-1"
                ],
                "constraint":  [
                    {
                        "key": "ele-1",
                        "severity": "error",
                        "human": "All FHIR elements must have a @value or children",
                        "expression": "hasValue() or (children().count() > id.count())",
                        "xpath": "@value|f:*|h:div",
                        "source": "http://hl7.org/fhir/StructureDefinition/Element"
                    },
                    {
                        "key": "ext-1",
                        "severity": "error",
                        "human": "Must have either extensions or value[x], not both",
                        "expression": "extension.exists() != value.exists()",
                        "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])",
                        "source": "http://hl7.org/fhir/StructureDefinition/Extension"
                    }
                ],
                "mapping":  [
                    {
                        "identity": "rim",
                        "map": "n/a"
                    },
                    {
                        "identity": "rim",
                        "map": "N/A"
                    }
                ]
            },
            {
                "id": "Extension.extension:observation.url",
                "path": "Extension.extension.url",
                "representation":  [
                    "xmlAttr"
                ],
                "short": "identifies the meaning of the extension",
                "definition": "Source of the definition for the extension code - a logical name or a URL.",
                "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
                "min": 1,
                "max": "1",
                "base": {
                    "path": "Extension.url",
                    "min": 1,
                    "max": "1"
                },
                "type":  [
                    {
                        "extension":  [
                            {
                                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                                "valueUrl": "uri"
                            }
                        ],
                        "code": "http://hl7.org/fhirpath/System.String"
                    }
                ],
                "fixedUri": "observation",
                "mapping":  [
                    {
                        "identity": "rim",
                        "map": "N/A"
                    }
                ]
            },
            {
                "id": "Extension.extension:observation.value[x]",
                "extension":  [
                    {
                        "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
                        "valueCode": "normative"
                    },
                    {
                        "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version",
                        "valueCode": "4.0.0"
                    }
                ],
                "path": "Extension.extension.value[x]",
                "short": "Value of extension",
                "definition": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](extensibility.html) for a list).",
                "min": 1,
                "max": "1",
                "base": {
                    "path": "Extension.value[x]",
                    "min": 0,
                    "max": "1"
                },
                "type":  [
                    {
                        "code": "Reference",
                        "targetProfile":  [
                            "http://hl7.org/fhir/StructureDefinition/Observation"
                        ]
                    }
                ],
                "condition":  [
                    "ele-1"
                ],
                "constraint":  [
                    {
                        "key": "ele-1",
                        "severity": "error",
                        "human": "All FHIR elements must have a @value or children",
                        "expression": "hasValue() or (children().count() > id.count())",
                        "xpath": "@value|f:*|h:div",
                        "source": "http://hl7.org/fhir/StructureDefinition/Element"
                    }
                ],
                "mapping":  [
                    {
                        "identity": "rim",
                        "map": "n/a"
                    },
                    {
                        "identity": "rim",
                        "map": "N/A"
                    }
                ]
            },
            {
                "id": "Extension.extension:type",
                "extension":  [
                    {
                        "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
                        "valueCode": "normative"
                    },
                    {
                        "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version",
                        "valueCode": "4.0.0"
                    }
                ],
                "path": "Extension.extension",
                "sliceName": "type",
                "short": "reflex | repeat | re-run",
                "definition": "The type of trigger. Reflex | Repeat | Re-run.",
                "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
                "alias":  [
                    "extensions",
                    "user content"
                ],
                "min": 1,
                "max": "1",
                "base": {
                    "path": "Element.extension",
                    "min": 0,
                    "max": "*"
                },
                "type":  [
                    {
                        "code": "Extension"
                    }
                ],
                "condition":  [
                    "ele-1"
                ],
                "constraint":  [
                    {
                        "key": "ele-1",
                        "severity": "error",
                        "human": "All FHIR elements must have a @value or children",
                        "expression": "hasValue() or (children().count() > id.count())",
                        "xpath": "@value|f:*|h:div",
                        "source": "http://hl7.org/fhir/StructureDefinition/Element"
                    },
                    {
                        "key": "ext-1",
                        "severity": "error",
                        "human": "Must have either extensions or value[x], not both",
                        "expression": "extension.exists() != value.exists()",
                        "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])",
                        "source": "http://hl7.org/fhir/StructureDefinition/Extension"
                    }
                ],
                "binding": {
                    "strength": "required",
                    "valueSet": "http://hl7.org/fhir/ValueSet/observation-triggeredbytype"
                },
                "mapping":  [
                    {
                        "identity": "rim",
                        "map": "n/a"
                    },
                    {
                        "identity": "rim",
                        "map": "N/A"
                    }
                ]
            },
            {
                "id": "Extension.extension:type.id",
                "path": "Extension.extension.id",
                "representation":  [
                    "xmlAttr"
                ],
                "short": "Unique id for inter-element referencing",
                "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
                "min": 0,
                "max": "1",
                "base": {
                    "path": "Element.id",
                    "min": 0,
                    "max": "1"
                },
                "type":  [
                    {
                        "extension":  [
                            {
                                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                                "valueUrl": "string"
                            }
                        ],
                        "code": "http://hl7.org/fhirpath/System.String"
                    }
                ],
                "mapping":  [
                    {
                        "identity": "rim",
                        "map": "n/a"
                    }
                ]
            },
            {
                "id": "Extension.extension:type.extension",
                "extension":  [
                    {
                        "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
                        "valueCode": "normative"
                    },
                    {
                        "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version",
                        "valueCode": "4.0.0"
                    }
                ],
                "path": "Extension.extension.extension",
                "slicing": {
                    "discriminator":  [
                        {
                            "type": "value",
                            "path": "url"
                        }
                    ],
                    "description": "Extensions are always sliced by (at least) url",
                    "rules": "open"
                },
                "short": "Additional content defined by implementations",
                "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
                "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
                "alias":  [
                    "extensions",
                    "user content"
                ],
                "min": 0,
                "max": "*",
                "base": {
                    "path": "Element.extension",
                    "min": 0,
                    "max": "*"
                },
                "type":  [
                    {
                        "code": "Extension"
                    }
                ],
                "condition":  [
                    "ele-1"
                ],
                "constraint":  [
                    {
                        "key": "ele-1",
                        "severity": "error",
                        "human": "All FHIR elements must have a @value or children",
                        "expression": "hasValue() or (children().count() > id.count())",
                        "xpath": "@value|f:*|h:div",
                        "source": "http://hl7.org/fhir/StructureDefinition/Element"
                    },
                    {
                        "key": "ext-1",
                        "severity": "error",
                        "human": "Must have either extensions or value[x], not both",
                        "expression": "extension.exists() != value.exists()",
                        "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])",
                        "source": "http://hl7.org/fhir/StructureDefinition/Extension"
                    }
                ],
                "mapping":  [
                    {
                        "identity": "rim",
                        "map": "n/a"
                    },
                    {
                        "identity": "rim",
                        "map": "N/A"
                    }
                ]
            },
            {
                "id": "Extension.extension:type.url",
                "path": "Extension.extension.url",
                "representation":  [
                    "xmlAttr"
                ],
                "short": "identifies the meaning of the extension",
                "definition": "Source of the definition for the extension code - a logical name or a URL.",
                "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
                "min": 1,
                "max": "1",
                "base": {
                    "path": "Extension.url",
                    "min": 1,
                    "max": "1"
                },
                "type":  [
                    {
                        "extension":  [
                            {
                                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                                "valueUrl": "uri"
                            }
                        ],
                        "code": "http://hl7.org/fhirpath/System.String"
                    }
                ],
                "fixedUri": "type",
                "mapping":  [
                    {
                        "identity": "rim",
                        "map": "N/A"
                    }
                ]
            },
            {
                "id": "Extension.extension:type.value[x]",
                "extension":  [
                    {
                        "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
                        "valueCode": "normative"
                    },
                    {
                        "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version",
                        "valueCode": "4.0.0"
                    }
                ],
                "path": "Extension.extension.value[x]",
                "short": "Value of extension",
                "definition": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](extensibility.html) for a list).",
                "min": 1,
                "max": "1",
                "base": {
                    "path": "Extension.value[x]",
                    "min": 0,
                    "max": "1"
                },
                "type":  [
                    {
                        "code": "code"
                    }
                ],
                "condition":  [
                    "ele-1"
                ],
                "constraint":  [
                    {
                        "key": "ele-1",
                        "severity": "error",
                        "human": "All FHIR elements must have a @value or children",
                        "expression": "hasValue() or (children().count() > id.count())",
                        "xpath": "@value|f:*|h:div",
                        "source": "http://hl7.org/fhir/StructureDefinition/Element"
                    }
                ],
                "mapping":  [
                    {
                        "identity": "rim",
                        "map": "n/a"
                    },
                    {
                        "identity": "rim",
                        "map": "N/A"
                    }
                ]
            },
            {
                "id": "Extension.extension:reason",
                "extension":  [
                    {
                        "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
                        "valueCode": "normative"
                    },
                    {
                        "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version",
                        "valueCode": "4.0.0"
                    }
                ],
                "path": "Extension.extension",
                "sliceName": "reason",
                "short": "Reason that the observation was triggered",
                "definition": "Provides the reason why this observation was performed as a result of the observation(s) referenced.",
                "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
                "alias":  [
                    "extensions",
                    "user content"
                ],
                "min": 0,
                "max": "1",
                "base": {
                    "path": "Element.extension",
                    "min": 0,
                    "max": "*"
                },
                "type":  [
                    {
                        "code": "Extension"
                    }
                ],
                "condition":  [
                    "ele-1"
                ],
                "constraint":  [
                    {
                        "key": "ele-1",
                        "severity": "error",
                        "human": "All FHIR elements must have a @value or children",
                        "expression": "hasValue() or (children().count() > id.count())",
                        "xpath": "@value|f:*|h:div",
                        "source": "http://hl7.org/fhir/StructureDefinition/Element"
                    },
                    {
                        "key": "ext-1",
                        "severity": "error",
                        "human": "Must have either extensions or value[x], not both",
                        "expression": "extension.exists() != value.exists()",
                        "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])",
                        "source": "http://hl7.org/fhir/StructureDefinition/Extension"
                    }
                ],
                "mapping":  [
                    {
                        "identity": "rim",
                        "map": "n/a"
                    },
                    {
                        "identity": "rim",
                        "map": "N/A"
                    }
                ]
            },
            {
                "id": "Extension.extension:reason.id",
                "path": "Extension.extension.id",
                "representation":  [
                    "xmlAttr"
                ],
                "short": "Unique id for inter-element referencing",
                "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
                "min": 0,
                "max": "1",
                "base": {
                    "path": "Element.id",
                    "min": 0,
                    "max": "1"
                },
                "type":  [
                    {
                        "extension":  [
                            {
                                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                                "valueUrl": "string"
                            }
                        ],
                        "code": "http://hl7.org/fhirpath/System.String"
                    }
                ],
                "mapping":  [
                    {
                        "identity": "rim",
                        "map": "n/a"
                    }
                ]
            },
            {
                "id": "Extension.extension:reason.extension",
                "extension":  [
                    {
                        "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
                        "valueCode": "normative"
                    },
                    {
                        "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version",
                        "valueCode": "4.0.0"
                    }
                ],
                "path": "Extension.extension.extension",
                "slicing": {
                    "discriminator":  [
                        {
                            "type": "value",
                            "path": "url"
                        }
                    ],
                    "description": "Extensions are always sliced by (at least) url",
                    "rules": "open"
                },
                "short": "Additional content defined by implementations",
                "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
                "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
                "alias":  [
                    "extensions",
                    "user content"
                ],
                "min": 0,
                "max": "*",
                "base": {
                    "path": "Element.extension",
                    "min": 0,
                    "max": "*"
                },
                "type":  [
                    {
                        "code": "Extension"
                    }
                ],
                "condition":  [
                    "ele-1"
                ],
                "constraint":  [
                    {
                        "key": "ele-1",
                        "severity": "error",
                        "human": "All FHIR elements must have a @value or children",
                        "expression": "hasValue() or (children().count() > id.count())",
                        "xpath": "@value|f:*|h:div",
                        "source": "http://hl7.org/fhir/StructureDefinition/Element"
                    },
                    {
                        "key": "ext-1",
                        "severity": "error",
                        "human": "Must have either extensions or value[x], not both",
                        "expression": "extension.exists() != value.exists()",
                        "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])",
                        "source": "http://hl7.org/fhir/StructureDefinition/Extension"
                    }
                ],
                "mapping":  [
                    {
                        "identity": "rim",
                        "map": "n/a"
                    },
                    {
                        "identity": "rim",
                        "map": "N/A"
                    }
                ]
            },
            {
                "id": "Extension.extension:reason.url",
                "path": "Extension.extension.url",
                "representation":  [
                    "xmlAttr"
                ],
                "short": "identifies the meaning of the extension",
                "definition": "Source of the definition for the extension code - a logical name or a URL.",
                "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
                "min": 1,
                "max": "1",
                "base": {
                    "path": "Extension.url",
                    "min": 1,
                    "max": "1"
                },
                "type":  [
                    {
                        "extension":  [
                            {
                                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                                "valueUrl": "uri"
                            }
                        ],
                        "code": "http://hl7.org/fhirpath/System.String"
                    }
                ],
                "fixedUri": "reason",
                "mapping":  [
                    {
                        "identity": "rim",
                        "map": "N/A"
                    }
                ]
            },
            {
                "id": "Extension.extension:reason.value[x]",
                "extension":  [
                    {
                        "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
                        "valueCode": "normative"
                    },
                    {
                        "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version",
                        "valueCode": "4.0.0"
                    }
                ],
                "path": "Extension.extension.value[x]",
                "short": "Value of extension",
                "definition": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](extensibility.html) for a list).",
                "min": 1,
                "max": "1",
                "base": {
                    "path": "Extension.value[x]",
                    "min": 0,
                    "max": "1"
                },
                "type":  [
                    {
                        "code": "string"
                    }
                ],
                "condition":  [
                    "ele-1"
                ],
                "constraint":  [
                    {
                        "key": "ele-1",
                        "severity": "error",
                        "human": "All FHIR elements must have a @value or children",
                        "expression": "hasValue() or (children().count() > id.count())",
                        "xpath": "@value|f:*|h:div",
                        "source": "http://hl7.org/fhir/StructureDefinition/Element"
                    }
                ],
                "mapping":  [
                    {
                        "identity": "rim",
                        "map": "n/a"
                    },
                    {
                        "identity": "rim",
                        "map": "N/A"
                    }
                ]
            },
            {
                "id": "Extension.url",
                "path": "Extension.url",
                "representation":  [
                    "xmlAttr"
                ],
                "short": "identifies the meaning of the extension",
                "definition": "Source of the definition for the extension code - a logical name or a URL.",
                "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
                "min": 1,
                "max": "1",
                "base": {
                    "path": "Extension.url",
                    "min": 1,
                    "max": "1"
                },
                "type":  [
                    {
                        "extension":  [
                            {
                                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                                "valueUrl": "uri"
                            }
                        ],
                        "code": "http://hl7.org/fhirpath/System.String"
                    }
                ],
                "fixedUri": "http://hl7.org/fhir/5.0/StructureDefinition/extension-Observation.triggeredBy",
                "mapping":  [
                    {
                        "identity": "rim",
                        "map": "N/A"
                    }
                ]
            },
            {
                "id": "Extension.value[x]",
                "extension":  [
                    {
                        "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
                        "valueCode": "normative"
                    },
                    {
                        "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version",
                        "valueCode": "4.0.0"
                    }
                ],
                "path": "Extension.value[x]",
                "short": "Value of extension",
                "definition": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](extensibility.html) for a list).",
                "min": 0,
                "max": "0",
                "base": {
                    "path": "Extension.value[x]",
                    "min": 0,
                    "max": "1"
                },
                "type":  [
                    {
                        "code": "base64Binary"
                    },
                    {
                        "code": "boolean"
                    },
                    {
                        "code": "canonical"
                    },
                    {
                        "code": "code"
                    },
                    {
                        "code": "date"
                    },
                    {
                        "code": "dateTime"
                    },
                    {
                        "code": "decimal"
                    },
                    {
                        "code": "id"
                    },
                    {
                        "code": "instant"
                    },
                    {
                        "code": "integer"
                    },
                    {
                        "code": "markdown"
                    },
                    {
                        "code": "oid"
                    },
                    {
                        "code": "positiveInt"
                    },
                    {
                        "code": "string"
                    },
                    {
                        "code": "time"
                    },
                    {
                        "code": "unsignedInt"
                    },
                    {
                        "code": "uri"
                    },
                    {
                        "code": "url"
                    },
                    {
                        "code": "uuid"
                    },
                    {
                        "code": "Address"
                    },
                    {
                        "code": "Age"
                    },
                    {
                        "code": "Annotation"
                    },
                    {
                        "code": "Attachment"
                    },
                    {
                        "code": "CodeableConcept"
                    },
                    {
                        "code": "Coding"
                    },
                    {
                        "code": "ContactPoint"
                    },
                    {
                        "code": "Count"
                    },
                    {
                        "code": "Distance"
                    },
                    {
                        "code": "Duration"
                    },
                    {
                        "code": "HumanName"
                    },
                    {
                        "code": "Identifier"
                    },
                    {
                        "code": "Money"
                    },
                    {
                        "code": "Period"
                    },
                    {
                        "code": "Quantity"
                    },
                    {
                        "code": "Range"
                    },
                    {
                        "code": "Ratio"
                    },
                    {
                        "code": "Reference"
                    },
                    {
                        "code": "SampledData"
                    },
                    {
                        "code": "Signature"
                    },
                    {
                        "code": "Timing"
                    },
                    {
                        "code": "ContactDetail"
                    },
                    {
                        "code": "Contributor"
                    },
                    {
                        "code": "DataRequirement"
                    },
                    {
                        "code": "Expression"
                    },
                    {
                        "code": "ParameterDefinition"
                    },
                    {
                        "code": "RelatedArtifact"
                    },
                    {
                        "code": "TriggerDefinition"
                    },
                    {
                        "code": "UsageContext"
                    },
                    {
                        "code": "Dosage"
                    },
                    {
                        "code": "Meta"
                    }
                ],
                "condition":  [
                    "ele-1"
                ],
                "constraint":  [
                    {
                        "key": "ele-1",
                        "severity": "error",
                        "human": "All FHIR elements must have a @value or children",
                        "expression": "hasValue() or (children().count() > id.count())",
                        "xpath": "@value|f:*|h:div",
                        "source": "http://hl7.org/fhir/StructureDefinition/Element"
                    }
                ],
                "mapping":  [
                    {
                        "identity": "rim",
                        "map": "n/a"
                    },
                    {
                        "identity": "rim",
                        "map": "N/A"
                    }
                ]
            }
        ]
    },
    "differential": {
        "element":  [
            {
                "id": "Extension",
                "path": "Extension",
                "short": "Triggering observation(s)",
                "definition": "Identifies the observation(s) that triggered the performance of this observation."
            },
            {
                "id": "Extension.extension",
                "path": "Extension.extension",
                "min": 2
            },
            {
                "id": "Extension.extension:observation",
                "path": "Extension.extension",
                "sliceName": "observation",
                "short": "Triggering observation",
                "definition": "Reference to the triggering observation.",
                "min": 1,
                "max": "1"
            },
            {
                "id": "Extension.extension:observation.url",
                "path": "Extension.extension.url",
                "fixedUri": "observation"
            },
            {
                "id": "Extension.extension:observation.value[x]",
                "path": "Extension.extension.value[x]",
                "min": 1,
                "type":  [
                    {
                        "code": "Reference",
                        "targetProfile":  [
                            "http://hl7.org/fhir/StructureDefinition/Observation"
                        ]
                    }
                ]
            },
            {
                "id": "Extension.extension:type",
                "path": "Extension.extension",
                "sliceName": "type",
                "short": "reflex | repeat | re-run",
                "definition": "The type of trigger. Reflex | Repeat | Re-run.",
                "min": 1,
                "max": "1",
                "binding": {
                    "strength": "required",
                    "valueSet": "http://hl7.org/fhir/ValueSet/observation-triggeredbytype"
                }
            },
            {
                "id": "Extension.extension:type.url",
                "path": "Extension.extension.url",
                "fixedUri": "type"
            },
            {
                "id": "Extension.extension:type.value[x]",
                "path": "Extension.extension.value[x]",
                "min": 1,
                "type":  [
                    {
                        "code": "code"
                    }
                ]
            },
            {
                "id": "Extension.extension:reason",
                "path": "Extension.extension",
                "sliceName": "reason",
                "short": "Reason that the observation was triggered",
                "definition": "Provides the reason why this observation was performed as a result of the observation(s) referenced.",
                "max": "1"
            },
            {
                "id": "Extension.extension:reason.url",
                "path": "Extension.extension.url",
                "fixedUri": "reason"
            },
            {
                "id": "Extension.extension:reason.value[x]",
                "path": "Extension.extension.value[x]",
                "min": 1,
                "type":  [
                    {
                        "code": "string"
                    }
                ]
            },
            {
                "id": "Extension.url",
                "path": "Extension.url",
                "fixedUri": "http://hl7.org/fhir/5.0/StructureDefinition/extension-Observation.triggeredBy"
            },
            {
                "id": "Extension.value[x]",
                "path": "Extension.value[x]",
                "max": "0"
            }
        ]
    }
}

Examples

Triggered By Drug Use - An example to illustrate the pre-adopted R5 element via an extension, which is used to indicate a triggering observation.
Example UKCore-Observation-Extension-TriggeredBy

Extension Specific Guidance

Where possible, it is expected that the resource being referenced SHOULD conform to Profile UKCore-Observation.

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