Record of the date and/or time of the first exposure to the Substance for this Reaction Event.

The amount of time that the Adverse Reaction persisted.

Provides a coded expression for the content represented in a string.

A protocol, guideline or other definition that was adhered to in whole or in part by this event.

A group or place of religious practice that may provide services to the patient.

Indicates that the style extensions ([style](extension-rendering-style.html), [markdown](extension-rendering-markdown.html)) and [xhtml](extension-rendering-xhtml.html)) in this resource are essential to the interpretation of the styled text and that it cannot be rendered without the style without losing essential information.

Identifies a document that conveys some sort of information related to the data element.

The numeric portion of a building number.

Identifies the relative order in which concepts within the value set should be presented to a user.

Source of sample used to determine the sequence in sequencing lab -- germline, somatic, prenatal. LOINC Code: ([48002-0](http://loinc.org/48002-0)).

The platform, methodology and software applied at the time of the genotyping.

Describes the intended purpose of the rendered text. For example - instructions, guidance on access control, maintenance information, etc.

Identifies a sibling of the relative.

Identifies the date on which the element became (or is expected to become) active and the date on which the element became (or is expected to become) retired.

A FHIRPath statement that defines whether an element is in the slice.

If true, indicates that the extended item should not be displayed to the user.

The XML (schema) type of a property - used for the value attribute of a primitive type (for which there is no type in the FHIR typing system).

Information on changes made to the Value Set Definition over time and a contained audit trail of all such changes.

The registered place of birth of the patient. A sytem may use the address.text if they don't store the birthPlace address in discrete elements.

A reference to a concept map that is relevant for the interpretation of this value set.

A specific offset time in milliseconds from the stated time in the Observation.appliesDateTime to allow for representation of sequential recording of sampled data from the same lead or data stream. For example, an ECG recorder may record sequentially 3 leads four time to receive 12-lead ECG, see [ISO 22077](https://www.iso.org/obp/ui/#iso:std:61871:en).

Clinical Interpretations for variant. It's a reference to an Observation resource.

Identifies internal processing status for the data element; e.g. "Under review".

Flag indicating whether the patient authorized the donation of body parts after death.

Text description about the clinical management provided.