{
  "resourceType": "StructureDefinition",
  "id": "hemodialysis-procedure",
  "url": "https://example.org/fhir/StructureDefinition/HemodialysisProcedure",
  "name": "HemodialysisProcedure",
  "status": "draft",
  "fhirVersion": "4.0.1",
  "kind": "resource",
  "abstract": false,
  "type": "Procedure",
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Procedure",
  "derivation": "constraint",
  "differential": {
    "element": [
      {
        "id": "Procedure.extension",
        "path": "Procedure.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "rules": "open"
        },
        "min": 1
      },
      {
        "id": "Procedure.extension:dialysisPropertys",
        "path": "Procedure.extension",
        "sliceName": "dialysisPropertys",
        "min": 1,
        "max": "1",
        "type": [
          {
            "code": "Extension",
            "profile": [
              "https://example.org/fhir/StructureDefinition/dialsys-property"
            ]
          }
        ],
        "mustSupport": true,
        "isModifier": false
      },
      {
        "id": "Procedure.extension:dialysisPropertys.extension",
        "path": "Procedure.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "rules": "open"
        },
        "min": 5
      },
      {
        "id": "Procedure.extension:dialysisPropertys.extension:dialysis-interval",
        "path": "Procedure.extension.extension",
        "sliceName": "dialysis-interval",
        "min": 1,
        "mustSupport": true
      },
      {
        "id": "Procedure.extension:dialysisPropertys.extension:dialysis-blood-rate",
        "path": "Procedure.extension.extension",
        "sliceName": "dialysis-blood-rate",
        "min": 1,
        "mustSupport": true
      },
      {
        "id": "Procedure.status",
        "path": "Procedure.status",
        "short": "completed",
        "fixedCode": "completed"
      },
      {
        "id": "Procedure.code",
        "path": "Procedure.code",
        "min": 1,
        "mustSupport": true
      },
      {
        "id": "Procedure.code.coding",
        "path": "Procedure.code.coding",
        "min": 1
      },
      {
        "id": "Procedure.code.coding.system",
        "path": "Procedure.code.coding.system",
        "min": 1,
        "fixedUri": "http://snomed.info/sct",
        "mustSupport": true
      },
      {
        "id": "Procedure.code.coding.code",
        "path": "Procedure.code.coding.code",
        "min": 1,
        "fixedCode": "302497006",
        "mustSupport": true
      },
      {
        "id": "Procedure.code.coding.display",
        "path": "Procedure.code.coding.display",
        "fixedString": "Hemodialysis"
      },
      {
        "id": "Procedure.subject",
        "path": "Procedure.subject",
        "mustSupport": true
      },
      {
        "id": "Procedure.performed[x]",
        "path": "Procedure.performed[x]",
        "min": 1,
        "type": [
          {
            "code": "dateTime"
          }
        ],
        "mustSupport": true
      },
      {
        "id": "Procedure.bodySite",
        "path": "Procedure.bodySite",
        "min": 1,
        "max": "1",
        "mustSupport": true
      },
      {
        "id": "Procedure.usedReference",
        "path": "Procedure.usedReference",
        "min": 1,
        "mustSupport": true
      },
      {
        "id": "Procedure.usedReference.reference",
        "path": "Procedure.usedReference.reference",
        "min": 1
      },
      {
        "id": "Procedure.usedCode",
        "path": "Procedure.usedCode",
        "min": 1,
        "mustSupport": true
      },
      {
        "id": "Procedure.usedCode.coding",
        "path": "Procedure.usedCode.coding",
        "max": "1"
      }
    ]
  }
}