{
  "resourceType": "StructureDefinition",
  "id": "au-diagnosticobservation",
  "url": "http://hl7.org.au/fhir/StructureDefinition/au-diagnosticobservation",
  "version": "1.1.0",
  "name": "AUBaseDiagnosticObservation",
  "title": "AU Base Diagnostic Observation",
  "status": "draft",
  "date": "2019-05-20",
  "publisher": "Health Level Seven Australia (Orders and Observations WG)",
  "contact": [
    {
      "telecom": [
        {
          "system": "url",
          "value": "http://hl7.org.au/fhir",
          "use": "work"
        }
      ]
    }
  ],
  "description": "This profile defines an observation structure that includes core localisation concepts for use as a diagnostic result observation in an Australian context.",
  "fhirVersion": "3.0.1",
  "kind": "resource",
  "abstract": false,
  "type": "Observation",
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Observation",
  "derivation": "constraint",
  "differential": {
    "element": [
      {
        "id": "Observation",
        "path": "Observation",
        "short": "An observation for diagnostic reporting in an Australian healthcare context"
      },
      {
        "id": "Observation.extension",
        "path": "Observation.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "rules": "open"
        }
      },
      {
        "id": "Observation.extension:performerParty",
        "path": "Observation.extension",
        "sliceName": "performerParty",
        "type": [
          {
            "code": "Extension",
            "profile": "http://hl7.org.au/fhir/StructureDefinition/performer-party"
          }
        ]
      },
      {
        "id": "Observation.extension:bodySiteInstance",
        "path": "Observation.extension",
        "sliceName": "bodySiteInstance",
        "max": "1",
        "type": [
          {
            "code": "Extension",
            "profile": "http://hl7.org/fhir/StructureDefinition/body-site-instance"
          }
        ]
      },
      {
        "id": "Observation.code",
        "path": "Observation.code"
      },
      {
        "id": "Observation.code.coding",
        "path": "Observation.code.coding",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "system"
            }
          ],
          "rules": "open"
        }
      },
      {
        "id": "Observation.code.coding:snomedImagingProcedure",
        "path": "Observation.code.coding",
        "sliceName": "snomedImagingProcedure",
        "short": "Imaging Procedure (SNOMED CT)",
        "max": "1",
        "binding": {
          "strength": "required",
          "valueSetUri": "https://healthterminologies.gov.au/fhir/ValueSet/imaging-procedure-1"
        }
      },
      {
        "id": "Observation.specimen",
        "path": "Observation.specimen",
        "type": [
          {
            "code": "Reference",
            "targetProfile": "http://hl7.org.au/fhir/StructureDefinition/au-specimen"
          }
        ]
      }
    ]
  }
}