{
  "resourceType": "Observation",
  "id": "chr-on-west-ObservationDrugUseFrequency-14002",
  "meta": {
    "lastUpdated": "2024-12-10T16:10:00Z",
    "source": "urn:telus:emr:chr:on-west:123",
    "profile": [
      "https://www.telus.com/health/fhir/dwemrextract/StructureDefinition/DwObservationDrugUseFrequency"
    ],
    "security": [
      {
        "system": "http://terminology.hl7.org/CodeSystem/v3-Confidentiality",
        "code": "N",
        "display": "normal"
      }
    ]
  },
  "text": {
    "status": "generated",
    "div": "<div xmlns=\"http://www.w3.org/1999/xhtml\">Drug use frequency: Past use, occasional as of December 10, 2024.</div>"
  },
  "identifier": [
    {
      "use": "official",
      "system": "urn:telus:emr:chr:on-west:123:Observation",
      "value": "14002"
    }
  ],
  "status": "final",
  "code": {
    "text": "Frequency"
  },
  "subject": {
    "reference": "Patient/chr-on-west-Patient-12345",
    "type": "Patient",
    "display": "Sarah Marie Johnson"
  },
  "effectiveDateTime": "2024-12-10T16:10:00Z",
  "valueString": "Past use, occasional"
}