{
  "resourceType": "StructureDefinition",
  "url": "https://example.org/fhir/StructureDefinition/Hba1cPatient",
  "name": "Hba1cPatient",
  "status": "draft",
  "date": "2024-03-04T19:21:22.5010408+00:00",
  "fhirVersion": "4.3.0",
  "kind": "resource",
  "abstract": false,
  "type": "Patient",
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Patient",
  "derivation": "constraint",
  "differential": {
    "element": [
      {
        "id": "Patient.name.family",
        "path": "Patient.name.family",
        "min": 1
      },
      {
        "id": "Patient.name.given",
        "path": "Patient.name.given",
        "min": 1,
        "max": "1"
      },
      {
        "id": "Patient.birthDate",
        "path": "Patient.birthDate",
        "min": 1
      },
      {
        "id": "Patient.address.use",
        "path": "Patient.address.use",
        "fixedCode": "home"
      }
    ]
  }
}