<status value="active" /> <experimental value="false" /> <date value="2025-03-06" /> <publisher value="Canada Health Infoway" /> <contact> <name value="National Standards Release Centre" /> <telecom> <system value="url" /> <value value="http://www.infoway-inforoute.ca" /> </telecom> <telecom> <system value="email" /> <value value="standards@infoway-inforoute.ca" /> </telecom> </contact> <description value="This profile applies constraints to the Observation resource for CA Core+ to support capture of social determinants and lifestyle information in the pan-Canadian context. This profile may be used to represent the Substance use data element in CACDI." /> <jurisdiction> <coding> <system value="urn:iso:std:iso:3166" /> <code value="CA" /> </coding> </jurisdiction> <copyright value="Copyright © 2025+ Canada Health Infoway. All rights reserved. [Terms of Use and License Agreements](https://ic.infoway-inforoute.ca/en/about/tou). [Privacy Policy](https://www.infoway-inforoute.ca/en/legal/privacy-policy)." /> <fhirVersion value="4.0.1" /> <kind value="resource" /> <abstract value="false" /> <type value="Observation" /> <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Observation" /> <derivation value="constraint" /> <differential> <element id="Observation.status"> <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-display-hint"> <valueString value="default: final" /> </extension> <extension url="http://hl7.org/fhir/StructureDefinition/obligation"> <extension url="code"> <valueCode value="SHALL:populate-if-known" /> </extension> <extension url="actor"> <valueCanonical value="http://fhir.infoway-inforoute.ca/ca-core/ActorDefinition/producer" /> </extension> </extension> <extension url="http://hl7.org/fhir/StructureDefinition/obligation"> <extension url="code"> <valueCode value="SHALL:no-error" /> </extension> <extension url="actor"> <valueCanonical value="http://fhir.infoway-inforoute.ca/ca-core/ActorDefinition/consumer" /> </extension> </extension> <path value="Observation.status" /> <mustSupport value="true" /> </element> <element id="Observation.category"> <extension url="http://hl7.org/fhir/StructureDefinition/obligation"> <extension url="code"> <valueCode value="SHALL:populate-if-known" /> </extension> <extension url="actor"> <valueCanonical value="http://fhir.infoway-inforoute.ca/ca-core/ActorDefinition/producer" /> </extension> </extension> <extension url="http://hl7.org/fhir/StructureDefinition/obligation"> <extension url="code"> <valueCode value="SHALL:no-error" /> </extension> <extension url="actor"> <valueCanonical value="http://fhir.infoway-inforoute.ca/ca-core/ActorDefinition/consumer" /> </extension> </extension> <extension url="http://hl7.org/fhir/StructureDefinition/obligation"> <extension url="code"> <valueCode value="SHALL:populate-if-known" /> </extension> <extension url="actor"> <valueCanonical value="http://fhir.infoway-inforoute.ca/ca-core/ActorDefinition/producer" /> </extension> </extension> <extension url="http://hl7.org/fhir/StructureDefinition/obligation"> <extension url="code"> <valueCode value="SHALL:no-error" /> </extension> <extension url="actor"> <valueCanonical value="http://fhir.infoway-inforoute.ca/ca-core/ActorDefinition/consumer" /> </extension> </extension> <path value="Observation.category" /> <slicing> <discriminator> <type value="pattern" /> <path value="$this" /> </discriminator> <rules value="open" /> </slicing> <definition value="A code that classifies the general type of observation being made. In this profile, fixed to "socialhistory"." /> <comment value=""social history" includes data element related to the persons social determinants of health" /> <min value="1" /> <type> <code value="CodeableConcept" /> <profile value="http://fhir.infoway-inforoute.ca/cacore/StructureDefinition/codeableconcept-ca-core" /> </type> <mustSupport value="true" /> </element> <element id="Observation.category:socialhistory"> <path value="Observation.category" /> <sliceName value="socialhistory" /> <min value="1" /> <max value="1" /> <patternCodeableConcept> <coding> <system value="http://terminology.hl7.org/CodeSystem/observation-category" /> <code value="social-history" /> </coding> </patternCodeableConcept> <mustSupport value="true" /> </element> <element id="Observation.code"> <extension url="http://hl7.org/fhir/StructureDefinition/obligation"> <extension url="code"> <valueCode value="SHALL:populate-if-known" /> </extension> <extension url="actor"> <valueCanonical value="http://fhir.infoway-inforoute.ca/ca-core/ActorDefinition/producer" /> </extension> </extension> <extension url="http://hl7.org/fhir/StructureDefinition/obligation"> <extension url="code"> <valueCode value="SHALL:no-error" /> </extension> <extension url="actor"> <valueCanonical value="http://fhir.infoway-inforoute.ca/ca-core/ActorDefinition/consumer" /> </extension> </extension> <path value="Observation.code" /> <type> <code value="CodeableConcept" /> <profile value="http://fhir.infoway-inforoute.ca/cacore/StructureDefinition/codeableconcept-ca-core" /> </type> <mustSupport value="true" /> <binding> <strength value="example" /> <valueSet value="https://fhir.infoway-inforoute.ca/ValueSet/socialhistory" /> </binding> </element> <element id="Observation.subject"> <extension url="http://hl7.org/fhir/StructureDefinition/obligation"> <extension url="code"> <valueCode value="SHALL:populate-if-known" /> </extension> <extension url="actor"> <valueCanonical value="http://fhir.infoway-inforoute.ca/ca-core/ActorDefinition/producer" /> </extension> </extension> <extension url="http://hl7.org/fhir/StructureDefinition/obligation"> <extension url="code"> <valueCode value="SHALL:no-error" /> </extension> <extension url="actor"> <valueCanonical value="http://fhir.infoway-inforoute.ca/ca-core/ActorDefinition/consumer" /> </extension> </extension> <path value="Observation.subject" /> <min value="1" /> <type> <code value="Reference" /> <targetProfile value="http://fhir.infoway-inforoute.ca/cacore/StructureDefinition/patient-ca-core" /> </type> <mustSupport value="true" /> </element> <element id="Observation.subject.reference"> <extension url="http://hl7.org/fhir/StructureDefinition/obligation"> <extension url="code"> <valueCode value="SHALL:populate-if-known" /> </extension> <extension url="actor"> <valueCanonical value="http://fhir.infoway-inforoute.ca/ca-core/ActorDefinition/producer" /> </extension> </extension> <extension url="http://hl7.org/fhir/StructureDefinition/obligation"> <extension url="code"> <valueCode value="SHALL:no-error" /> </extension> <extension url="actor"> <valueCanonical value="http://fhir.infoway-inforoute.ca/ca-core/ActorDefinition/consumer" /> </extension> </extension> <path value="Observation.subject.reference" /> <min value="1" /> <mustSupport value="true" /> </element> <element id="Observation.encounter"> <path value="Observation.encounter" /> <type> <code value="Reference" /> <targetProfile value="http://fhir.infoway-inforoute.ca/cacore/StructureDefinition/encounter-ca-core" /> </type> </element> <element id="Observation.value[x]"> <extension url="http://hl7.org/fhir/StructureDefinition/obligation"> <extension url="code"> <valueCode value="SHALL:populate-if-known" /> </extension> <extension url="actor"> <valueCanonical value="http://fhir.infoway-inforoute.ca/ca-core/ActorDefinition/producer" /> </extension> </extension> <extension url="http://hl7.org/fhir/StructureDefinition/obligation"> <extension url="code"> <valueCode value="SHALL:no-error" /> </extension> <extension url="actor"> <valueCanonical value="http://fhir.infoway-inforoute.ca/ca-core/ActorDefinition/consumer" /> </extension> </extension> <path value="Observation.value[x]" /> <mustSupport value="true" /> </element> <element id="Observation.note"> <extension url="http://hl7.org/fhir/StructureDefinition/obligation"> <extension url="code"> <valueCode value="SHALL:populate-if-known" /> </extension> <extension url="actor"> <valueCanonical value="http://fhir.infoway-inforoute.ca/ca-core/ActorDefinition/producer" /> </extension> </extension> <extension url="http://hl7.org/fhir/StructureDefinition/obligation"> <extension url="code"> <valueCode value="SHALL:no-error" /> </extension> <extension url="actor"> <valueCanonical value="http://fhir.infoway-inforoute.ca/ca-core/ActorDefinition/consumer" /> </extension> </extension> <path value="Observation.note" /> <mustSupport value="true" /> </element> <element id="Observation.note.text"> <extension url="http://hl7.org/fhir/StructureDefinition/obligation"> <extension url="code"> <valueCode value="SHALL:populate-if-known" /> </extension> <extension url="actor"> <valueCanonical value="http://fhir.infoway-inforoute.ca/ca-core/ActorDefinition/producer" /> </extension> </extension> <extension url="http://hl7.org/fhir/StructureDefinition/obligation"> <extension url="code"> <valueCode value="SHALL:no-error" /> </extension> <extension url="actor"> <valueCanonical value="http://fhir.infoway-inforoute.ca/ca-core/ActorDefinition/consumer" /> </extension> </extension> <path value="Observation.note.text" /> <mustSupport value="true" /> </element> </differential> </StructureDefinition>