{ "resourceType": "Observation", "id": "observation-5", "status": "final", "category": [ { "coding": [ { "system": "http://terminology.hl7.org/CodeSystem/observation-category", "code": "social-history", "display": "Social History" } ], "text": "Social History" } ], "code": { "coding": [ { "system": "http://loinc.org", "code": "72166-2", "display": "Tobacco smoking status" } ], "text": "Tobacco smoking status" }, "subject": { "reference": "Patient/patient-1", "display": "Example, Anne" }, "valueString": "Former smoker", "encounter": { "reference": "Encounter/encounter-4", "display": "GP appointment" }, "effectiveDateTime": "2023-06-14T12:53:49Z", "issued": "2023-06-14T13:00:46Z", "performer": [ { "reference": "Practitioner/practitioner-1", "display": "Dr Maria Hernandez" } ] }