{
  "resourceType": "StructureDefinition",
  "url": "http://www.iknl.nl/fhir/StructureDefinition/onco-mamma-dataelement-139",
  "name": "erstatus",
  "status": "draft",
  "fhirVersion": "3.0.1",
  "kind": "resource",
  "abstract": false,
  "type": "Observation",
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Observation",
  "derivation": "constraint",
  "differential": {
    "element": [
      {
        "id": "Observation.status",
        "extension": [
          {
            "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-display-hint",
            "valueString": "default: final"
          }
        ],
        "path": "Observation.status",
        "fixedCode": "final"
      },
      {
        "id": "Observation.code.coding.system",
        "path": "Observation.code.coding.system",
        "fixedUri": "http://art-decor.org/ns/oids/de"
      },
      {
        "id": "Observation.code.coding.code",
        "path": "Observation.code.coding.code",
        "fixedCode": "onco-mamma-dataelement-139"
      },
      {
        "id": "Observation.subject",
        "path": "Observation.subject",
        "type": [
          {
            "code": "Reference",
            "targetProfile": "http://fhir.nl/fhir/StructureDefinition/nl-core-patient",
            "aggregation": [
              "contained"
            ]
          }
        ],
        "mustSupport": true
      },
      {
        "id": "Observation.value[x]:valueCodeableConcept",
        "path": "Observation.valueCodeableConcept",
        "sliceName": "valueCodeableConcept",
        "type": [
          {
            "code": "CodeableConcept"
          }
        ],
        "binding": {
          "strength": "required",
          "valueSetReference": {
            "reference": "http://decor.nictiz.nl/fhir/ValueSet/2.16.840.1.113883.2.4.3.11.31.1.77.2.11.54--20150605090932"
          }
        }
      }
    ]
  }
}