{
  "resourceType": "Observation",
  "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://example.org/local-codes",
        "code": "ice-cream-preference",
        "display": "Favorite Ice Cream Flavor"
      }
    ],
    "text": "Favorite Ice Cream Flavor"
  },
  "subject": {
    "reference": "Patient/123",
    "display": "Patient 1"
  },
  "effectiveDateTime": "2025-04-29T10:30:00Z",
  "valueString": "Chocolate Chip Cookie Dough"
}