{
  "resourceType": "StructureDefinition",
  "id": "PresurgeryObservation",
  "url": "http://mrdm.nl/profiles/fhir/r4/dbir/StructureDefinition/PresurgeryObservation",
  "name": "PresurgeryObservation",
  "status": "draft",
  "description": "Any pre-surgery observation registered by a questionnaire. In the DBIR registry this can include the following measurements:\r\n- ASA classification\r\n- nicotine abuse\r\n- height\r\n- weight",
  "fhirVersion": "4.0.1",
  "kind": "resource",
  "abstract": false,
  "type": "Observation",
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Observation",
  "derivation": "constraint",
  "differential": {
    "element": [
      {
        "id": "Observation.code.coding.system",
        "path": "Observation.code.coding.system",
        "min": 1
      },
      {
        "id": "Observation.code.coding.code",
        "path": "Observation.code.coding.code",
        "code": [
          {
            "system": "http://snomed.info/sct",
            "code": "724697004"
          },
          {
            "system": "http://snomed.info/sct",
            "code": "273270000"
          },
          {
            "system": "http://loinc.org",
            "code": "29463-7"
          },
          {
            "system": "http://loinc.org",
            "code": "8302-2"
          }
        ],
        "min": 1
      },
      {
        "id": "Observation.subject",
        "path": "Observation.subject",
        "min": 1
      },
      {
        "id": "Observation.encounter",
        "path": "Observation.encounter",
        "min": 1
      }
    ]
  }
}