{
  "resourceType": "StructureDefinition",
  "id": "Observation",
  "url": "https://fhir.centraxx.de/StructureDefinition/Metastasis",
  "version": "2025.4.0",
  "name": "Metastasis",
  "status": "active",
  "publisher": "Kairos an IQVIA business",
  "description": "Represents a CentraXX Metastasis.",
  "fhirVersion": "4.0.1",
  "kind": "resource",
  "abstract": false,
  "type": "Observation",
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Observation",
  "derivation": "constraint",
  "differential": {
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        "id": "Observation.meta",
        "path": "Observation.meta",
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        "max": "1",
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      },
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      },
      {
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        "max": "1",
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      },
      {
        "id": "Observation.meta.tag.system",
        "path": "Observation.meta.tag.system",
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        "max": "1",
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      },
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      },
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        "path": "Observation.identifier",
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          "rules": "closed"
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        "id": "Observation.identifier:metastasisId.system",
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      },
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        "path": "Observation.identifier",
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      },
      {
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      {
        "id": "Observation.status",
        "path": "Observation.status",
        "fixedCode": "final",
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      },
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        "id": "Observation.code",
        "path": "Observation.code",
        "patternCodeableConcept": {
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              "system": "http://snomed.info/sct",
              "code": "128462008",
              "display": "Tumor metastasis"
            }
          ]
        },
        "mustSupport": true
      },
      {
        "id": "Observation.subject",
        "path": "Observation.subject",
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            ]
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        "path": "Observation.focus",
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        "id": "Observation.encounter",
        "path": "Observation.encounter",
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        ],
        "mustSupport": true
      },
      {
        "id": "Observation.effective[x]",
        "path": "Observation.effective[x]",
        "comment": "Represents Metastasis date",
        "min": 0,
        "max": "1",
        "type": [
          {
            "code": "dateTime"
          }
        ],
        "mustSupport": true
      },
      {
        "id": "Observation.issued",
        "path": "Observation.issued",
        "comment": "CXX creation date",
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      },
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        "id": "Observation.interpretation",
        "path": "Observation.interpretation",
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        "id": "Observation.interpretation.text",
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        "id": "Observation.note",
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        "id": "Observation.method",
        "path": "Observation.method",
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        "max": "1",
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        "binding": {
          "strength": "required",
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        }
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        "path": "Observation.method.coding",
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        "path": "Observation.hasMember",
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            "code": "Reference",
            "targetProfile": [
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            ]
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}