{
  "resourceType": "Observation",
  "id": "obs-vitals-2026-001",
  "meta": {
    "versionId": "1",
    "lastUpdated": "2026-01-15T10:45:00Z",
    "profile": [
      "http://hl7.org/fhir/us/core/StructureDefinition/us-core-blood-pressure"
    ]
  },
  "status": "final",
  "category": [
    {
      "coding": [
        {
          "system": "http://terminology.hl7.org/CodeSystem/observation-category",
          "code": "vital-signs",
          "display": "Vital Signs"
        }
      ]
    }
  ],
  "code": {
    "coding": [
      {
        "system": "http://loinc.org",
        "code": "85354-9",
        "display": "Blood pressure panel with all children optional"
      }
    ],
    "text": "Blood Pressure"
  },
  "subject": {
    "reference": "Patient/a1b2c3d4-e5f6-7890-abcd-ef1234567890",
    "display": "John Smith"
  },
  "encounter": {
    "reference": "Encounter/enc-2026-001"
  },
  "effectiveDateTime": "2026-01-15T10:30:00Z",
  "performer": [
    {
      "reference": "Practitioner/pract-0042",
      "display": "Dr. Jane Doe, MD"
    }
  ],
  "component": [
    {
      "code": {
        "coding": [
          {
            "system": "http://loinc.org",
            "code": "8480-6",
            "display": "Systolic blood pressure"
          }
        ]
      },
      "valueQuantity": {
        "value": 118,
        "unit": "mmHg",
        "system": "http://unitsofmeasure.org",
        "code": "mm[Hg]"
      }
    },
    {
      "code": {
        "coding": [
          {
            "system": "http://loinc.org",
            "code": "8462-4",
            "display": "Diastolic blood pressure"
          }
        ]
      },
      "valueQuantity": {
        "value": 76,
        "unit": "mmHg",
        "system": "http://unitsofmeasure.org",
        "code": "mm[Hg]"
      }
    }
  ]
}