{
  "resourceType": "StructureDefinition",
  "url": "https://example.org/fhir/StructureDefinition/CodingATC",
  "name": "CodingATC",
  "status": "draft",
  "fhirVersion": "4.0.1",
  "kind": "complex-type",
  "abstract": false,
  "type": "Coding",
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Coding",
  "derivation": "constraint",
  "differential": {
    "element": [
      {
        "id": "Coding.system",
        "path": "Coding.system",
        "short": "Kanonisch CodeSystem URL für ATC",
        "min": 1,
        "fixedUri": "http://fhir.de/CodeSystem/bfarm/atc"
      },
      {
        "id": "Coding.version",
        "path": "Coding.version",
        "short": "Die vierstellige Jahresversion von ATC",
        "definition": "Bei Verwendung von ATC ist die Angabe der Version zwingen erforderlich.",
        "min": 1
      },
      {
        "id": "Coding.code",
        "path": "Coding.code",
        "min": 1
      }
    ]
  }
}