{
  "resourceType": "StructureDefinition",
  "id": "au-observation-age",
  "url": "http://hl7.org.au/fhir/StructureDefinition/au-observation-age",
  "version": "1.1.0",
  "name": "ObservationAge",
  "title": "Age or Age Range of Patient",
  "status": "active",
  "publisher": "Health Level Seven Australia (Patient Administration WG)",
  "contact": [
    {
      "telecom": [
        {
          "system": "url",
          "value": "http://hl7.org.au",
          "use": "work"
        }
      ]
    }
  ],
  "description": "This profile defines the chronological age or age range of a patient.",
  "copyright": "This resource includes SNOMED Clinical Terms™ (SNOMED CT®) which is used by permission of the International Health Terminology Standards Development Organisation (IHTSDO). All rights reserved. SNOMED CT®, was originally created by The College of American Pathologists. \"SNOMED\" and \"SNOMED CT\" are registered trademarks of the IHTSDO. The rights to use and implement or implementation of SNOMED CT content are limited to the extent it is necessary to allow for the end use of this material.  No further rights are granted in respect of the International Release and no further use of any SNOMED CT content by any other party is permitted. All copies of this resource must include this copyright statement and all information contained in this statement.",
  "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": "The age or age range of a patient in an Australian healthcare context",
        "definition": "The chronological age or age range of a patient."
      },
      {
        "id": "Observation.code",
        "path": "Observation.code",
        "short": "Current chronological age",
        "patternCodeableConcept": {
          "coding": [
            {
              "system": "http://snomed.info/sct",
              "code": "424144002"
            }
          ]
        }
      },
      {
        "id": "Observation.subject",
        "path": "Observation.subject",
        "type": [
          {
            "code": "Reference",
            "targetProfile": "http://hl7.org/fhir/StructureDefinition/Patient"
          }
        ]
      },
      {
        "id": "Observation.value[x]",
        "path": "Observation.value[x]",
        "min": 1,
        "type": [
          {
            "code": "Quantity"
          },
          {
            "code": "Range"
          }
        ]
      }
    ]
  }
}