Medication Prescription and Dispense (MPD)
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Medication Prescription and Dispense (MPD), published by Integrating the Healthcare Enterprise (IHE). This guide is not an authorized publication; it is the continuous build for version 1.0.0-comment-3 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/IHE/pharm-mpd/tree/111/merge and changes regularly. See the Directory of published versions
Built from commit 887727be.   Branch: 102-pc-change-identifiersystem-in-examples-to-httpsexampleorg.

Extension: Medication - Strength substance

Official URL: https://profiles.ihe.net/PHARM/MPD/StructureDefinition/ihe-ext-medication-strengthsubstance Version: 1.0.0-comment-3
Active as of 2026-04-22 Computable Name: MedicationStrengthSubstance

Copyright/Legal: IHE http://www.ihe.net/Governance/#Intellectual_Property

Substance for marking the basis of strength. When the precise active ingredient is a salt, the strength is often provided for the active moiety (basis of strength).

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 Medication - Strength substance
... extension 0..0 Extension
... url 1..1 uri "https://profiles.ihe.net/PHARM/MPD/StructureDefinition/ihe-ext-medication-strengthsubstance"
... value[x] 1..1 CodeableConcept Value of extension
Binding: SNOMEDCTSubstanceCodes (example)

doco Documentation for this format
NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension 0..* Extension Medication - Strength substance
... id 0..1 id Unique id for inter-element referencing
... extension 0..0 Extension
Slice: Unordered, Open by value:url
... url 1..1 uri "https://profiles.ihe.net/PHARM/MPD/StructureDefinition/ihe-ext-medication-strengthsubstance"

doco Documentation for this format

This structure is derived from Extension

Summary

Simple Extension with the type CodeableConcept: Substance for marking the basis of strength. When the precise active ingredient is a salt, the strength is often provided for the active moiety (basis of strength).

Differential View

This structure is derived from Extension

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension 0..* Extension Medication - Strength substance
... extension 0..0 Extension
... url 1..1 uri "https://profiles.ihe.net/PHARM/MPD/StructureDefinition/ihe-ext-medication-strengthsubstance"
... value[x] 1..1 CodeableConcept Value of extension
Binding: SNOMEDCTSubstanceCodes (example)

doco Documentation for this format

Snapshot View

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension 0..* Extension Medication - Strength substance
... id 0..1 id Unique id for inter-element referencing
... extension 0..0 Extension
Slice: Unordered, Open by value:url
... url 1..1 uri "https://profiles.ihe.net/PHARM/MPD/StructureDefinition/ihe-ext-medication-strengthsubstance"

doco Documentation for this format

This structure is derived from Extension

Summary

Simple Extension with the type CodeableConcept: Substance for marking the basis of strength. When the precise active ingredient is a salt, the strength is often provided for the active moiety (basis of strength).

 

Other representations of profile: CSV, Excel, Schematron

Terminology Bindings

Path Status Usage ValueSet Version Source
Extension.value[x] Base example SNOMED CT Substance Codes 📦5.0.0 FHIR Std.

Constraints

Id Grade Path(s) Description Expression
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()