Name Flags Card. Type Description & Constraints doco
. . Observation 0 .. * CPGObservation Measurements and simple assertions
. . . observation-bodyPosition S 0..1 CodeableConcept The body position during the observation
URL: http://hl7.org/fhir/StructureDefinition/observation-bodyPosition
. . . identifier S 1..* Identifier Business Identifier for observation
. . . . use S 1..1 code usual | official | temp | secondary | old (If known)
. . . . system S 1..1 uri The namespace for the identifier value
. . . . value S 1..1 string The value that is unique
. . . basedOn S 0 .. * Reference(CarePlan | DeviceRequest | ImmunizationRecommendation | MedicationRequest | NutritionOrder | ServiceRequest) Fulfills plan, proposal or order
. . . status S 1 .. 1 code registered | preliminary | final | amended +
. . . category S 1..* CodeableConcept Classification of type of observation
. . . code S 1 .. 1 CodeableConcept Type of observation (code / type)
. . . subject S 1..1 Reference(WHO Patient) Who and/or what the observation is about
. . . encounter S 0 .. 1 Reference(WHO Encounter) Healthcare event during which this observation is made
. . . effective[x] S 0 .. 1 dateTime , Period , Timing , instant Clinically relevant time/time-period for observation
. . . issued S 0 .. 1 instant Date/Time this version was made available
. . . performer 0 .. * Reference(WHO Practitioner | WHO PractitionerRole | WHO Patient | WHO RelatedPerson) Who is responsible for the observation
. . . value[x] S 0 .. 1 Quantity , CodeableConcept , string , boolean , integer , Range , Ratio , SampledData , time , dateTime , Period Actual result
. . . dataAbsentReason 0 .. 1 CodeableConcept Why the result is missing
. . . interpretation S 0 .. * CodeableConcept High, low, normal, etc.
. . . bodySite S 0 .. 1 CodeableConcept Observed body part
. . . method S 0 .. 1 CodeableConcept How it was done
. . . specimen S 0 .. 1 Reference(Specimen) Specimen used for this observation
. . . device S 0 .. 1 Reference(Device | DeviceMetric) (Measurement) Device
. . . referenceRange S 0 .. * BackboneElement Provides guide for interpretation
. . . . low S 0 .. 1 SimpleQuantity Low Range, if relevant
. . . . high S 0 .. 1 SimpleQuantity High Range, if relevant
. . . derivedFrom S 0 .. * Reference(WHO Observation | CPGQuestionnaireResponse) Related measurements the observation is made from
. . . component S 0 .. * BackboneElement Component results
. . . . code S 1 .. 1 CodeableConcept Type of component observation (code / type)
. . . . value[x] S 0 .. 1 Quantity , CodeableConcept , string , boolean , integer , Range , Ratio , SampledData , time , dateTime , Period Actual component result
. . . . dataAbsentReason S 0 .. 1 CodeableConcept Why the component result is missing
. . . . interpretation S 0 .. * CodeableConcept High, low, normal, etc.
. . . . referenceRange S 0 .. * Provides guide for interpretation of component result

doco Documentation for this format
<status value="draft" /> <experimental value="false" /> <date value="2021-09-01T04:24:37+00:00" /> <publisher value="World Health Organization (WHO)" /> <contact> <telecom> <system value="url" /> <value value="https://www.who.int" /> </telecom> </contact> <description value="WHO Observation" /> <jurisdiction> <coding> <system value="http://unstats.un.org/unsd/methods/m49/m49.htm" /> <code value="001" /> </coding> </jurisdiction> <fhirVersion value="4.0.1" /> <mapping> <identity value="workflow" /> <uri value="http://hl7.org/fhir/workflow" /> <name value="Workflow Pattern" /> </mapping> <mapping> <identity value="sct-concept" /> <uri value="http://snomed.info/conceptdomain" /> <name value="SNOMED CT Concept Domain Binding" /> </mapping> <mapping> <identity value="v2" /> <uri value="http://hl7.org/v2" /> <name value="HL7 v2 Mapping" /> </mapping> <mapping> <identity value="rim" /> <uri value="http://hl7.org/v3" /> <name value="RIM Mapping" /> </mapping> <mapping> <identity value="w5" /> <uri value="http://hl7.org/fhir/fivews" /> <name value="FiveWs Pattern Mapping" /> </mapping> <mapping> <identity value="sct-attr" /> <uri value="http://snomed.org/attributebinding" /> <name value="SNOMED CT Attribute Binding" /> </mapping> <kind value="resource" /> <abstract value="false" /> <type value="Observation" /> <baseDefinition value="http://hl7.org/fhir/uv/cpg/StructureDefinition/cpg-observation" /> <derivation value="constraint" /> <differential> <element id="Observation"> <path value="Observation" /> <alias value="Vital Signs" /> <alias value="Measurement" /> <alias value="Results" /> <alias value="Tests" /> <mustSupport value="false" /> </element> <element id="Observation.extension:bodyPosition"> <path value="Observation.extension" /> <sliceName value="bodyPosition" /> <min value="0" /> <max value="1" /> <type> <code value="Extension" /> <profile value="http://hl7.org/fhir/StructureDefinition/observation-bodyPosition" /> </type> <mustSupport value="true" /> </element> <element id="Observation.identifier"> <path value="Observation.identifier" /> <min value="1" /> <max value="*" /> <mustSupport value="true" /> </element> <element id="Observation.identifier.use"> <path value="Observation.identifier.use" /> <min value="1" /> <max value="1" /> <mustSupport value="true" /> </element> <element id="Observation.identifier.system"> <path value="Observation.identifier.system" /> <min value="1" /> <max value="1" /> <mustSupport value="true" /> </element> <element id="Observation.identifier.value"> <path value="Observation.identifier.value" /> <min value="1" /> <max value="1" /> <mustSupport value="true" /> </element> <element id="Observation.basedOn"> <path value="Observation.basedOn" /> <mustSupport value="true" /> </element> <element id="Observation.status"> <path value="Observation.status" /> <mustSupport value="true" /> </element> <element id="Observation.category"> <path value="Observation.category" /> <min value="1" /> <max value="*" /> <mustSupport value="true" /> </element> <element id="Observation.code"> <path value="Observation.code" /> <mustSupport value="true" /> </element> <element id="Observation.subject"> <path value="Observation.subject" /> <min value="1" /> <max value="1" /> <type> <code value="Reference" /> <targetProfile value="http://fhir.org/guides/who/core/StructureDefinition/who-patient" /> </type> <mustSupport value="true" /> </element> <element id="Observation.encounter"> <path value="Observation.encounter" /> <type> <code value="Reference" /> <targetProfile value="http://fhir.org/guides/who/core/StructureDefinition/who-encounter" /> </type> <mustSupport value="true" /> </element> <element id="Observation.effective[x]"> <path value="Observation.effective[x]" /> <mustSupport value="true" /> </element> <element id="Observation.issued"> <path value="Observation.issued" /> <mustSupport value="true" /> </element> <element id="Observation.performer"> <path value="Observation.performer" /> <type> <code value="Reference" /> <targetProfile value="http://fhir.org/guides/who/core/StructureDefinition/who-practitioner" /> <targetProfile value="http://fhir.org/guides/who/core/StructureDefinition/who-practitionerrole" /> <targetProfile value="http://fhir.org/guides/who/core/StructureDefinition/who-patient" /> <targetProfile value="http://fhir.org/guides/who/core/StructureDefinition/who-relatedperson" /> </type> <mustSupport value="false" /> </element> <element id="Observation.value[x]"> <path value="Observation.value[x]" /> <mustSupport value="true" /> </element> <element id="Observation.dataAbsentReason"> <path value="Observation.dataAbsentReason" /> <mustSupport value="false" /> </element> <element id="Observation.interpretation"> <path value="Observation.interpretation" /> <mustSupport value="true" /> </element> <element id="Observation.bodySite"> <path value="Observation.bodySite" /> <type> <code value="CodeableConcept" /> </type> <mustSupport value="true" /> </element> <element id="Observation.method"> <path value="Observation.method" /> <mustSupport value="true" /> </element> <element id="Observation.specimen"> <path value="Observation.specimen" /> <mustSupport value="true" /> </element> <element id="Observation.device"> <path value="Observation.device" /> <mustSupport value="true" /> </element> <element id="Observation.referenceRange"> <path value="Observation.referenceRange" /> <mustSupport value="true" /> </element> <element id="Observation.referenceRange.low"> <path value="Observation.referenceRange.low" /> <mustSupport value="true" /> </element> <element id="Observation.referenceRange.high"> <path value="Observation.referenceRange.high" /> <mustSupport value="true" /> </element> <element id="Observation.derivedFrom"> <path value="Observation.derivedFrom" /> <type> <code value="Reference" /> <targetProfile value="http://fhir.org/guides/who/core/StructureDefinition/who-observation" /> <targetProfile value="http://hl7.org/fhir/uv/cpg/StructureDefinition/cpg-questionnaireresponse" /> </type> <mustSupport value="true" /> </element> <element id="Observation.component"> <path value="Observation.component" /> <mustSupport value="true" /> </element> <element id="Observation.component.code"> <path value="Observation.component.code" /> <mustSupport value="true" /> </element> <element id="Observation.component.value[x]"> <path value="Observation.component.value[x]" /> <mustSupport value="true" /> </element> <element id="Observation.component.dataAbsentReason"> <path value="Observation.component.dataAbsentReason" /> <mustSupport value="true" /> </element> <element id="Observation.component.interpretation"> <path value="Observation.component.interpretation" /> <mustSupport value="true" /> </element> <element id="Observation.component.referenceRange"> <path value="Observation.component.referenceRange" /> <mustSupport value="true" /> </element> </differential> </StructureDefinition>