{
  "resourceType": "StructureDefinition",
  "url": "https://example.org/fhir/StructureDefinition/MyObservation",
  "name": "MyObservation",
  "status": "draft",
  "fhirVersion": "4.0.1",
  "kind": "resource",
  "abstract": false,
  "type": "Observation",
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Observation",
  "derivation": "constraint",
  "differential": {
    "element": [
      {
        "id": "Observation.identifier.value",
        "path": "Observation.identifier.value",
        "label": "mutation_id"
      },
      {
        "id": "Observation.partOf.reference",
        "path": "Observation.partOf.reference",
        "label": "reference"
      },
      {
        "id": "Observation.category.coding.code",
        "path": "Observation.category.coding.code",
        "label": "mutation_type"
      },
      {
        "id": "Observation.code.text",
        "path": "Observation.code.text",
        "label": "weight, height, rhythm, heart_rate"
      },
      {
        "id": "Observation.subject",
        "path": "Observation.subject",
        "label": "patient_id"
      },
      {
        "id": "Observation.encounter.reference",
        "path": "Observation.encounter.reference",
        "label": "encounter"
      },
      {
        "id": "Observation.issued",
        "path": "Observation.issued",
        "label": "mutation_found_dt"
      },
      {
        "id": "Observation.value[x]",
        "path": "Observation.value[x]",
        "label": "value"
      },
      {
        "id": "Observation.note.text",
        "path": "Observation.note.text",
        "label": "notes"
      },
      {
        "id": "Observation.bodySite.coding.code",
        "path": "Observation.bodySite.coding.code",
        "label": "location_id"
      },
      {
        "id": "Observation.bodySite.coding.display",
        "path": "Observation.bodySite.coding.display",
        "label": "location_name"
      },
      {
        "id": "Observation.component.code.coding.code",
        "path": "Observation.component.code.coding.code",
        "label": "negative_twave_id"
      }
    ]
  }
}