# Medication Dispense Unique Prescription Number String - Common Components FHIR Implementation Guide v26.0.0

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# Common Components FHIR Implementation Guide

26.0.0 - Trial
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*  [FHIR IGs](https://implementer.digitalhealth.gov.au/fhir-resources) 
*  [Implementer Hub](https://implementer.digitalhealth.gov.au/) 
*  [Agency site](https://www.digitalhealth.gov.au) 

* [**Table of Contents**](toc.md)
* [**FHIR Artefacts**](artifacts.md)
* **Medication Dispense Unique Prescription Number String**

## Extension: Medication Dispense Unique Prescription Number String 

| | |
| :--- | :--- |
| *Official URL*:http://digitalhealth.gov.au/fhir/cc/StructureDefinition/medicationdispense-unique-prescription-number-string | *Version*:26.0.0 |
| Draft as of 2026-07-14 | *Computable Name*:Medication_Dispense_Unique_Prescription_Number_String |
| **Copyright/Legal**: 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/) | |

Captures pharmacy-assigned tracking numbers for specific prescription instances, as distinct from the clinician's prescription identifier.

The purpose of this extension is to represent pharmacy-assigned unique prescription numbers from CDA to support dispensing workflow traceability distinct from prescriber-issued identifiers.

**Context of Use**

**Usage info**

**Usages:**

* Examples for this Extension: [MedicationDispense/medicationdispense-cda-extensions-example](MedicationDispense-medicationdispense-cda-extensions-example.md), [MedicationDispense/medicationdispense-repeat-progression-example-1](MedicationDispense-medicationdispense-repeat-progression-example-1.md), [MedicationDispense/medicationdispense-repeat-progression-example-2](MedicationDispense-medicationdispense-repeat-progression-example-2.md), [MedicationDispense/medicationdispense-repeat-progression-example-3](MedicationDispense-medicationdispense-repeat-progression-example-3.md)... Show 3 more, [MedicationDispense/medicationdispense-repeat-progression-example-4](MedicationDispense-medicationdispense-repeat-progression-example-4.md), [MedicationDispense/medicationdispense-repeat-progression-example-5](MedicationDispense-medicationdispense-repeat-progression-example-5.md) and [MedicationDispense/medicationdispense-repeat-progression-example-6](MedicationDispense-medicationdispense-repeat-progression-example-6.md)

You can also check for [usages in the FHIR IG Statistics](https://packages2.fhir.org/xig/resource/au.gov.digitalhealth.cc|current/StructureDefinition/StructureDefinition-medicationdispense-unique-prescription-number-string.json)

### Formal Views of Extension Content

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

 

Other representations of profile: [CSV](StructureDefinition-medicationdispense-unique-prescription-number-string.csv), [Excel](StructureDefinition-medicationdispense-unique-prescription-number-string.xlsx), [Schematron](StructureDefinition-medicationdispense-unique-prescription-number-string.sch) 

#### Constraints

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IG © 2026+ [Australian Digital Health Agency](https://www.digitalhealth.gov.au/). Package au.gov.digitalhealth.cc#26.0.0 based on [FHIR 4.0.1](http://hl7.org/fhir/R4/). Generated 2026-07-14

Links: [Table of Contents](toc.md) | [QA Report](qa.md) | [Version History](https://fhir.digitalhealth.gov.au/dh/history.html) | [Report an issue or propose a change](mailto:help@digitalhealth.gov.au) 

Publisher: [Australian Digital Health Agency](https://www.digitalhealth.gov.au) | ABN: 84 425 496 912, Level 25, 175 Liverpool Street, Sydney, NSW 2000 | Phone: [1300 901 001](tel:1300901001) | Email: [help@digitalhealth.gov.au](mailto:help@digitalhealth.gov.au) | [https://www.digitalhealth.gov.au](https://www.digitalhealth.gov.au) | [Privacy policy](https://www.digitalhealth.gov.au/about-us/policies-privacy-and-reporting/privacy-policy) | [Terms of Use](https://www.digitalhealth.gov.au/about-us/policies-privacy-and-reporting/terms-of-use)

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The Australian Digital Health Agency acknowledges the Traditional Custodians of Country throughout Australia, and their continuing connection to land, sea and community. We pay our respects to them and their cultures, and to Elders, past and present.



## Resource Content

```json
{
  "resourceType" : "StructureDefinition",
  "id" : "medicationdispense-unique-prescription-number-string",
  "url" : "http://digitalhealth.gov.au/fhir/cc/StructureDefinition/medicationdispense-unique-prescription-number-string",
  "version" : "26.0.0",
  "name" : "Medication_Dispense_Unique_Prescription_Number_String",
  "title" : "Medication Dispense Unique Prescription Number String",
  "status" : "draft",
  "experimental" : false,
  "date" : "2026-07-14T04:17:55+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" : "email",
      "value" : "mailto:help@digitalhealth.gov.au",
      "use" : "work"
    }]
  }],
  "description" : "Captures pharmacy-assigned tracking numbers for specific prescription instances, as distinct from the clinician's prescription identifier.",
  "jurisdiction" : [{
    "coding" : [{
      "system" : "urn:iso:std:iso:3166",
      "code" : "AU",
      "display" : "Australia"
    }]
  }],
  "purpose" : "The purpose of this extension is to represent pharmacy-assigned unique prescription numbers from CDA to support dispensing workflow traceability distinct from prescriber-issued identifiers.",
  "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" : "MedicationDispense"
  }],
  "type" : "Extension",
  "baseDefinition" : "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1",
  "derivation" : "constraint",
  "differential" : {
    "element" : [{
      "id" : "Extension",
      "path" : "Extension",
      "short" : "Medication Dispense Unique Prescription Number String",
      "definition" : "Captures pharmacy-assigned tracking numbers for specific prescription instances, as distinct from the clinician's prescription identifier."
    },
    {
      "id" : "Extension.extension",
      "path" : "Extension.extension",
      "max" : "0"
    },
    {
      "id" : "Extension.url",
      "path" : "Extension.url",
      "fixedUri" : "http://digitalhealth.gov.au/fhir/cc/StructureDefinition/medicationdispense-unique-prescription-number-string"
    },
    {
      "id" : "Extension.value[x]",
      "path" : "Extension.value[x]",
      "short" : "Unique prescription number",
      "definition" : "Pharmacy-assigned unique prescription identifier captured from CDA entryRelationship/act with code 103.16786 (NCTIS 'Unique Prescription Number'). Identifies individual prescription instances with pharmacy-assigned tracking numbers.",
      "type" : [{
        "code" : "string"
      }]
    }]
  }
}

```