<Observation xmlns="http://hl7.org/fhir">
    <id value="example-observation-tobaccouse-ca-core" />
    <meta>
        <profile value="http://fhir.infoway-inforoute.ca/cacore/StructureDefinition/observation-tobaccouse-ca-core" />
    </meta>
    <status value="final" />
    <code>
        <coding>
            <system value="http://loinc.org" />
            <code value="72166-2" />
            <display value="Tobacco smoking status" />
        </coding>
    </code>
    <subject>
        <reference value="Patient/example-patient-ca-core" />
    </subject>
    <encounter>
        <reference value="Encounter/example-encounter-ca-core" />
    </encounter>
    <effectiveDateTime value="2024-03-27T09:00:00-07:00" />
    <valueCodeableConcept>
        <coding>
            <system value="http://snomed.info/sct" />
            <code value="449868002" />
            <display value="Smokes tobacco daily (finding)" />
        </coding>
    </valueCodeableConcept>
</Observation>

{
    "resourceType": "Observation",
    "id": "example-observation-tobaccouse-ca-core",
    "meta": {
        "profile":  [
            "http://fhir.infoway-inforoute.ca/cacore/StructureDefinition/observation-tobaccouse-ca-core"
        ]
    },
    "status": "final",
    "code": {
        "coding":  [
            {
                "system": "http://loinc.org",
                "code": "72166-2",
                "display": "Tobacco smoking status"
            }
        ]
    },
    "subject": {
        "reference": "Patient/example-patient-ca-core"
    },
    "encounter": {
        "reference": "Encounter/example-encounter-ca-core"
    },
    "effectiveDateTime": "03/27/2024 16:00:00",
    "valueCodeableConcept": {
        "coding":  [
            {
                "system": "http://snomed.info/sct",
                "code": "449868002",
                "display": "Smokes tobacco daily (finding)"
            }
        ]
    }
}