# AU Base Composition - AU Base Implementation Guide v6.0.0-preview

* [**Table of Contents**](toc.md)
* [**FHIR Artefacts**](fhirartefacts.md)
* [**Artefacts Summary**](artifacts.md)
* **AU Base Composition**

## Resource Profile: AU Base Composition 

| | | |
| :--- | :--- | :--- |
| *Official URL*:http://hl7.org.au/fhir/StructureDefinition/au-composition | *Version*:6.0.0-preview | |
| *Standards status:*[Trial-use](http://hl7.org/fhir/R4/versions.html#std-process) | [Maturity Level](generalguidance.md#maturity-levels): 2 | *Computable Name*:AUBaseComposition |
| **Copyright/Legal**: HL7 Australia© 2018+; Licensed Under Creative Commons No Rights Reserved. | | |

 
This profile defines a composition structure that localises core concepts for use in an Australian context. The purpose of this profile is to provide national level agreement on core localised concepts. This profile does not force conformance to core localised concepts. It enables implementers and modellers to make their own rules, i.e.[profiling](http://hl7.org/fhir/profiling.html), about how to support these concepts for specific implementation needs. 

### Usage Notes

**Profile specific implementation guidance:**

* It is important to clearly differentiate between representing the extent of a system's information for a patient versus clinical judgement of no relevant finding: 
* When asserting clinical judgement that there are no items of specific interest, (e.g. no current medications, no known allergies, or no history of vaccination), `Composition.section.entry` with a reference to a supported FHIR resource containing the record of assertion should be sent. 
* Guidance is provided in the core FHIR specification for AllergyIntolerance and Condition, and [AU Assertion of No Relevant Finding](StructureDefinition-au-norelevantfinding.md) is defined in this implementation guide to support additional concepts.
 
* When a statement is about the nature or extent of the information the system has access to or is permitted to share, (e.g. not asked or information withheld), `Composition.section.emptyReason` should be sent with an appropriate code from the [ListEmptyReasons](http://hl7.org/fhir/R4/valueset-list-empty-reason.html) value set.
 

**Usages:**

* Examples for this Profile: [Composition/different-authors](Composition-different-authors.md), [Composition/example0](Composition-example0.md) and [Composition/multiple-information-recipients](Composition-multiple-information-recipients.md)

You can also check for [usages in the FHIR IG Statistics](https://packages2.fhir.org/xig/hl7.fhir.au.base|current/StructureDefinition/au-composition)

**Changes since version 5.0.0:**

* New Content

### Formal Views of Profile Content

 [Description of Profiles, Differentials, Snapshots and how the different presentations work](http://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#structure-definitions). 

 

Other representations of profile: [CSV](StructureDefinition-au-composition.csv), [Excel](StructureDefinition-au-composition.xlsx), [Schematron](StructureDefinition-au-composition.sch) 



## Resource Content

```json
{
  "resourceType" : "StructureDefinition",
  "id" : "au-composition",
  "extension" : [
    {
      "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
      "valueInteger" : 2
    },
    {
      "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
      "valueCode" : "trial-use",
      "_valueCode" : {
        "extension" : [
          {
            "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom",
            "valueCanonical" : "http://hl7.org.au/fhir/ImplementationGuide/hl7.fhir.au.base"
          }
        ]
      }
    }
  ],
  "url" : "http://hl7.org.au/fhir/StructureDefinition/au-composition",
  "version" : "6.0.0-preview",
  "name" : "AUBaseComposition",
  "title" : "AU Base Composition",
  "status" : "active",
  "date" : "2025-11-26T07:22:59+00:00",
  "publisher" : "HL7 Australia",
  "contact" : [
    {
      "name" : "HL7 Australia FHIR Working Group",
      "telecom" : [
        {
          "system" : "url",
          "value" : "https://confluence.hl7.org/display/HAFWG",
          "use" : "work"
        }
      ]
    }
  ],
  "description" : "This profile defines a composition structure that localises core concepts for use in an Australian context. The purpose of this profile is to provide national level agreement on core localised concepts. This profile does not force conformance to core localised concepts. It enables implementers and modellers to make their own rules, i.e. [profiling](http://hl7.org/fhir/profiling.html), about how to support these concepts for specific implementation needs.",
  "jurisdiction" : [
    {
      "coding" : [
        {
          "system" : "urn:iso:std:iso:3166",
          "code" : "AU"
        }
      ]
    }
  ],
  "copyright" : "HL7 Australia© 2018+; Licensed Under Creative Commons No Rights Reserved.",
  "fhirVersion" : "4.0.1",
  "mapping" : [
    {
      "identity" : "workflow",
      "uri" : "http://hl7.org/fhir/workflow",
      "name" : "Workflow Pattern"
    },
    {
      "identity" : "rim",
      "uri" : "http://hl7.org/v3",
      "name" : "RIM Mapping"
    },
    {
      "identity" : "cda",
      "uri" : "http://hl7.org/v3/cda",
      "name" : "CDA (R2)"
    },
    {
      "identity" : "fhirdocumentreference",
      "uri" : "http://hl7.org/fhir/documentreference",
      "name" : "FHIR DocumentReference"
    },
    {
      "identity" : "w5",
      "uri" : "http://hl7.org/fhir/fivews",
      "name" : "FiveWs Pattern Mapping"
    }
  ],
  "kind" : "resource",
  "abstract" : false,
  "type" : "Composition",
  "baseDefinition" : "http://hl7.org/fhir/StructureDefinition/Composition",
  "derivation" : "constraint",
  "differential" : {
    "element" : [
      {
        "id" : "Composition",
        "path" : "Composition",
        "short" : "Composition for the Australian realm"
      },
      {
        "id" : "Composition.extension",
        "path" : "Composition.extension",
        "slicing" : {
          "discriminator" : [
            {
              "type" : "value",
              "path" : "url"
            }
          ],
          "rules" : "open"
        }
      },
      {
        "id" : "Composition.extension:informationRecipient",
        "path" : "Composition.extension",
        "sliceName" : "informationRecipient",
        "short" : "Who and/or what should receive a copy of the composition",
        "definition" : "A recipient who should receive a copy of the composition. A recipient is an entity to whom a copy of the composition is directed at the time of authoring of the composition.",
        "min" : 0,
        "max" : "*",
        "type" : [
          {
            "code" : "Extension",
            "profile" : [
              "http://hl7.org.au/fhir/StructureDefinition/information-recipient"
            ]
          }
        ]
      }
    ]
  }
}

```
