Proposed derived profiles for early warning scores: Early Warning Total Score. This will all be derived from UKCore-Observation, and does not have a LOINC "magic code".
All these derived profiles will share the following constraints to the UKCore-Observation:
statusThe following value SHALL be used:
Observation.status = finalcategoryThe following values SHALL be used:
Observation.category.coding.system = http://terminology.hl7.org/CodeSystem/observation-categoryObservation.category.coding.code = surveyObservation.category.coding.display = SurveycodeThe following SHALL be used for this profile:
Observation.code.coding.system = http://snomed.info/sctObservation.code.coding.code = A SNOMED CT concept Id from https://fhir.hl7.org.uk/ValueSet/UKCore-EarlyWarningTotalScoresObservation.code.coding.display = The “preferred term” associated with the SNOMED CT conceptsubjectThe cardinality of this element is 1..1, and the resource being referenced SHALL conform to the UKCore-Patient profile.
effective[x]The cardinality of this element is 1..1, and it SHALL be present.
value[x]A valueQuantity SHALL be present, and the following used for this profile:
Observation.valueQuantity.system = http://unitsofmeasure.orgObservation.valueQuantity.code = {ScoreOf}derivedFromThis element SHOULD be populated with a referenced resources conforming to UKCore-Observation, and these resources should be the observations used to determine the Early warning Score component sub scores.
componentThis element SHOULD be used to record the component sub scores used to determine the total score
The following values SHALL be used:
component.code.codingThe following SHALL be used for this profile:
Observation.component.code.coding.system = http://snomed.info/sctObservation.component.code.coding.code = A SNOMED CT concept Id from https://fhir.hl7.org.uk/ValueSet/UKCore-EarlyWarningSubScoreObservation.component.code.coding.display = The “preferred term” associated with the SNOMED CT conceptcomponent.value[x]The following SHALL be a Quantity, and the following used for this profile:
Observation.component.valueQuantity.system = http://unitsofmeasure.orgObservation.component.valueQuantityg.code = {ScoreOf}