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Examples of Use for Extension

Narrative

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Generated Narrative: StructureDefinition new-patient-availability

Name	Flags	Card.	Type	Description & Constraints
Extension		0..*	Extension(4.0.1)	New Patient Availability
extension		0..0		Extension
url		1..1	uri	"http://digitalhealth.gov.au/fhir/cc/StructureDefinition/new-patient-availability"
value[x]		0..1	CodeableConcept	New patient availability status. Binding: https://www.healthterminologies.gov.au/integration/R4/fhir/ValueSet/new-patient-availability-1 (required)
Documentation for this format

Source1

{
  "resourceType": "StructureDefinition",
  "id": "new-patient-availability",
  "text": {
    "status": "extensions",
    "div": "<!-- snip (see above) -->"
  },
  "url": "http://digitalhealth.gov.au/fhir/cc/StructureDefinition/new-patient-availability",
  "version": "26.0.0",
  "name": "New_Patient_Availability",
  "title": "New Patient Availability",
  "status": "active",
  "experimental": false,
  "date": "2026-07-03T05:13:52+00:00",
  "publisher": "Australian Digital Health Agency",
  "contact": [
    {
      "name": "Australian Digital Health Agency",
      "telecom": [
        {
          "system": "url",
          "value": "https://www.digitalhealth.gov.au/"
        },
        {
          "system": "email",
          "value": "help@digitalhealth.gov.au"
        }
      ]
    },
    {
      "name": "Australian Digital Health Agency",
      "telecom": [
        {
          "system": "url",
          "value": "https://www.digitalhealth.gov.au",
          "use": "work"
        },
        {
          "system": "email",
          "value": "mailto:help@digitalhealth.gov.au",
          "use": "work"
        }
      ]
    }
  ],
  "description": "Indicates whether the healthcare service is accepting new patients. Patterned after PCA New Patient Availability extension.\n\nContext of Use: HealthcareService",
  "jurisdiction": [
    {
      "coding": [
        {
          "system": "urn:iso:std:iso:3166",
          "code": "AU",
          "display": "Australia"
        }
      ]
    }
  ],
  "purpose": "This extension addresses the business need for healthcare consumers and referrers to identify services that are accepting new patients, supporting efficient healthcare access and referral workflows.",
  "copyright": "This content is licensed under a Creative Commons Attribution 4.0 International License. See [https://creativecommons.org/licenses/by/4.0/](https://creativecommons.org/licenses/by/4.0/)",
  "fhirVersion": "4.0.1",
  "mapping": [
    {
      "identity": "rim",
      "uri": "http://hl7.org/v3",
      "name": "RIM Mapping"
    }
  ],
  "kind": "complex-type",
  "abstract": false,
  "context": [
    {
      "type": "element",
      "expression": "HealthcareService"
    }
  ],
  "type": "Extension",
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1",
  "derivation": "constraint",
  "snapshot": {
    "extension": [
      {
        "url": "http://hl7.org/fhir/tools/StructureDefinition/snapshot-base-version",
        "valueString": "4.0.1"
      }
    ],
    "element": [
      {
        "id": "Extension",
        "path": "Extension",
        "short": "New Patient Availability",
        "definition": "Indicates whether the healthcare service is accepting new patients. Patterned after PCA New Patient Availability extension.\n\nContext of Use: HealthcareService",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Extension",
          "min": 0,
          "max": "*"
        },
        "condition": [
          "ele-1"
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false
      },
      {
        "id": "Extension.id",
        "path": "Extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension",
        "path": "Extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "rules": "open"
        },
        "short": "Extension",
        "definition": "An Extension",
        "min": 0,
        "max": "0",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.url",
        "path": "Extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "http://digitalhealth.gov.au/fhir/cc/StructureDefinition/new-patient-availability",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.value[x]",
        "path": "Extension.value[x]",
        "short": "New patient availability status.",
        "definition": "Coded indicator of whether the healthcare service is accepting new patients (bound to NCTS New Patient Availability value set).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "CodeableConcept"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.0.1"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "binding": {
          "strength": "required",
          "valueSet": "https://www.healthterminologies.gov.au/integration/R4/fhir/ValueSet/new-patient-availability-1"
        },
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      }
    ]
  },
  "differential": {
    "element": [
      {
        "id": "Extension",
        "path": "Extension",
        "short": "New Patient Availability",
        "definition": "Indicates whether the healthcare service is accepting new patients. Patterned after PCA New Patient Availability extension.\n\nContext of Use: HealthcareService"
      },
      {
        "id": "Extension.extension",
        "path": "Extension.extension",
        "max": "0"
      },
      {
        "id": "Extension.url",
        "path": "Extension.url",
        "fixedUri": "http://digitalhealth.gov.au/fhir/cc/StructureDefinition/new-patient-availability"
      },
      {
        "id": "Extension.value[x]",
        "path": "Extension.value[x]",
        "short": "New patient availability status.",
        "definition": "Coded indicator of whether the healthcare service is accepting new patients (bound to NCTS New Patient Availability value set).",
        "type": [
          {
            "code": "CodeableConcept"
          }
        ],
        "binding": {
          "strength": "required",
          "valueSet": "https://www.healthterminologies.gov.au/integration/R4/fhir/ValueSet/new-patient-availability-1"
        }
      }
    ]
  }
}