# Medication Dispense Quantity Description - 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 Quantity Description**

## Extension: Medication Dispense Quantity Description 

| | |
| :--- | :--- |
| *Official URL*:http://digitalhealth.gov.au/fhir/cc/StructureDefinition/medicationdispense-quantity-description | *Version*:26.0.0 |
| Draft as of 2026-07-14 | *Computable Name*:Medication_Dispense_Quantity_Description |
| **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/) | |

Human-readable quantity descriptions (e.g., '30 tablets (1 month supply)') to supplement structured quantity data in Medication resources.

The purpose of this extension is to convey human-readable dispense or prescribed quantity descriptions from CDA so implementations can retain source wording alongside structured quantity elements.

**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 4 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), [MedicationDispense/medicationdispense-repeat-progression-example-6](MedicationDispense-medicationdispense-repeat-progression-example-6.md) and [MedicationRequest/medicationrequest-cda-extensions-example](MedicationRequest-medicationrequest-cda-extensions-example.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-quantity-description.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-quantity-description.csv), [Excel](StructureDefinition-medicationdispense-quantity-description.xlsx), [Schematron](StructureDefinition-medicationdispense-quantity-description.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-quantity-description",
  "url" : "http://digitalhealth.gov.au/fhir/cc/StructureDefinition/medicationdispense-quantity-description",
  "version" : "26.0.0",
  "name" : "Medication_Dispense_Quantity_Description",
  "title" : "Medication Dispense Quantity Description",
  "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" : "Human-readable quantity descriptions (e.g., '30 tablets (1 month supply)') to supplement structured quantity data in Medication resources.",
  "jurisdiction" : [{
    "coding" : [{
      "system" : "urn:iso:std:iso:3166",
      "code" : "AU",
      "display" : "Australia"
    }]
  }],
  "purpose" : "The purpose of this extension is to convey human-readable dispense or prescribed quantity descriptions from CDA so implementations can retain source wording alongside structured quantity elements.",
  "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.quantity"
  },
  {
    "type" : "element",
    "expression" : "MedicationRequest.dispenseRequest.quantity"
  }],
  "type" : "Extension",
  "baseDefinition" : "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1",
  "derivation" : "constraint",
  "differential" : {
    "element" : [{
      "id" : "Extension",
      "path" : "Extension",
      "short" : "Medication Dispense Quantity Description",
      "definition" : "Human-readable quantity descriptions (e.g., '30 tablets (1 month supply)') to supplement structured quantity data in Medication resources."
    },
    {
      "id" : "Extension.extension",
      "path" : "Extension.extension",
      "max" : "0"
    },
    {
      "id" : "Extension.url",
      "path" : "Extension.url",
      "fixedUri" : "http://digitalhealth.gov.au/fhir/cc/StructureDefinition/medicationdispense-quantity-description"
    },
    {
      "id" : "Extension.value[x]",
      "path" : "Extension.value[x]",
      "short" : "Quantity description text",
      "definition" : "Human-readable quantity description captured from CDA entryRelationship/act with code 246205007 (SNOMED 'Quantity'). Provides textual descriptions such as '30 tablets (1 month supply)' to supplement structured quantity data.",
      "type" : [{
        "code" : "string"
      }]
    }]
  }
}

```
