Common Components FHIR Implementation Guide, published by Australian Digital Health Agency. This guide is not an authorized publication; it is the continuous build for version 26.0.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/AuDigitalHealth/common-components/ and changes regularly. See the Directory of published versions

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/

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:

You can also check for usages in the FHIR IG Statistics

Formal Views of Extension Content

Description of Profiles, Differentials, Snapshots, and how the XML and JSON presentations work.

This structure is derived from Extension

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension 0..* Extension(4.0.1) Medication Dispense Quantity Description
... extension 0..0 Extension
... url 1..1 uri "http://digitalhealth.gov.au/fhir/cc/StructureDefinition/medicationdispense-quantity-description"
... value[x] 0..1 string Quantity description text

doco Documentation for this format
NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension 0..* Extension(4.0.1) Medication Dispense Quantity Description
Constraints: ext-1
... id 0..1 string Unique id for inter-element referencing
... extension 0..0 Extension
Slice: Unordered, Open by value:url
Constraints: ext-1
... url 1..1 uri "http://digitalhealth.gov.au/fhir/cc/StructureDefinition/medicationdispense-quantity-description"

doco Documentation for this format

This structure is derived from Extension

Summary

Simple Extension with the type string: Human-readable quantity descriptions (e.g., '30 tablets (1 month supply)') to supplement structured quantity data in Medication resources.

Differential View

This structure is derived from Extension

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension 0..* Extension(4.0.1) Medication Dispense Quantity Description
... extension 0..0 Extension
... url 1..1 uri "http://digitalhealth.gov.au/fhir/cc/StructureDefinition/medicationdispense-quantity-description"
... value[x] 0..1 string Quantity description text

doco Documentation for this format

Snapshot View

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension 0..* Extension(4.0.1) Medication Dispense Quantity Description
Constraints: ext-1
... id 0..1 string Unique id for inter-element referencing
... extension 0..0 Extension
Slice: Unordered, Open by value:url
Constraints: ext-1
... url 1..1 uri "http://digitalhealth.gov.au/fhir/cc/StructureDefinition/medicationdispense-quantity-description"

doco Documentation for this format

This structure is derived from Extension

Summary

Simple Extension with the type string: Human-readable quantity descriptions (e.g., '30 tablets (1 month supply)') to supplement structured quantity data in Medication resources.

 

Other representations of profile: CSV, Excel, Schematron

Constraints

Id Grade Path(s) Description Expression
ele-1 error Extension, Extension.value[x] All FHIR elements must have a @value or children hasValue() or (children().count() > id.count())
ext-1 error Extension Must have either extensions or value[x], not both extension.exists() != value.exists()