Medication Prescription and Dispense (MPD)
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## Extension: Medication - Unit of presentation

Official URL: https://profiles.ihe.net/PHARM/MPD/StructureDefinition/ihe-ext-medication-unitofpresentation | Version: 1.0.0-comment-2
Active as of 2025-05-27 | Computable Name: MedicationUnitOfPresentation
Copyright/Legal: IHE http://www.ihe.net/Governance/#Intellectual_Property

Unit of presentation, typically describing the smallest countable package item (e.g tablet, vial, ampoule, etc). Unit of presentation is also often used in describing pack size and the denominator of strength. If the size of presentation unit is relevant, it should be described in sizeOfItem extension.

Context of Use

This extension may be used on the following element(s):

- Element ID: `Medication`

Usage info

Usage:

- Use this Extension: IHE Medication
- Examples for this Extension: Medication/01C-Cefuroxime1500Branded, Medication/01D-Cefuroxime750Branded, Medication/02A1-CanifugCremolumCreamItem, Medication/02A2-CanifugCremolumPessaryItem... Show 3 more, Medication/03B-VitaminBComplexBranded, Medication/04-FirmagonBranded and Medication/05A-Tilidin-Branded

### Formal Views of Extension Content

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

- Differential Table
- Snapshot Table
- Statistics/References
- All

This structure is derived from Extension

Name | Flags | Card. | Type | Description & Constraints
--- | --- | --- | --- | ---
Extension |  | 0..* | Extension | Medication - Unit of presentation
extension |  | 0..0 |  |
url |  | 1..1 | uri | "https://profiles.ihe.net/PHARM/MPD/StructureDefinition/ihe-ext-medication-unitofpresentation"
value[x] |  | 1..1 | CodeableConcept | Value of extension Binding: UnitOfPresentation (example)
Documentation for this format

Name | Flags | Card. | Type | Description & Constraints
--- | --- | --- | --- | ---
Extension |  | 0..* | Extension | Medication - Unit of presentation
id |  | 0..1 | id | Unique id for inter-element referencing
extension |  | 0..0 |  |
url |  | 1..1 | uri | "https://profiles.ihe.net/PHARM/MPD/StructureDefinition/ihe-ext-medication-unitofpresentation"
value[x] |  | 1..1 | CodeableConcept | Value of extension Binding: UnitOfPresentation (example)
Documentation for this format

This structure is derived from Extension

Summary

Simple Extension with the type CodeableConcept: Unit of presentation, typically describing the smallest countable package item (e.g tablet, vial, ampoule, etc). Unit of presentation is also often used in describing pack size and the denominator of strength. If the size of presentation unit is relevant, it should be described in sizeOfItem extension.

Differential View

This structure is derived from Extension

Name | Flags | Card. | Type | Description & Constraints
--- | --- | --- | --- | ---
Extension |  | 0..* | Extension | Medication - Unit of presentation
extension |  | 0..0 |  |
url |  | 1..1 | uri | "https://profiles.ihe.net/PHARM/MPD/StructureDefinition/ihe-ext-medication-unitofpresentation"
value[x] |  | 1..1 | CodeableConcept | Value of extension Binding: UnitOfPresentation (example)
Documentation for this format

Snapshot View

Name | Flags | Card. | Type | Description & Constraints
--- | --- | --- | --- | ---
Extension |  | 0..* | Extension | Medication - Unit of presentation
id |  | 0..1 | id | Unique id for inter-element referencing
extension |  | 0..0 |  |
url |  | 1..1 | uri | "https://profiles.ihe.net/PHARM/MPD/StructureDefinition/ihe-ext-medication-unitofpresentation"
value[x] |  | 1..1 | CodeableConcept | Value of extension Binding: UnitOfPresentation (example)
Documentation for this format

This structure is derived from Extension

Summary

Simple Extension with the type CodeableConcept: Unit of presentation, typically describing the smallest countable package item (e.g tablet, vial, ampoule, etc). Unit of presentation is also often used in describing pack size and the denominator of strength. If the size of presentation unit is relevant, it should be described in sizeOfItem extension.

Other representations of profile: CSV, Excel, Schematron

#### Terminology Bindings

Path | Conformance | ValueSet | URI
Extension.value[x] | example | UnitOfPresentation `http://hl7.org/fhir/ValueSet/unit-of-presentation` from the FHIR Standard

#### Constraints

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