IE Medication Events Implementation Guide
0.1.0 - Nostalgic IE (draft) Ireland flag

IE Medication Events Implementation Guide - Local Development build (v0.1.0) built by the FHIR (HL7® FHIR® Standard) Build Tools. See the Directory of published versions

Extension: IE MPD Medicinal Product Is Interchangeable

Official URL: https://hl7-ie.github.io/medication-events/fhir/StructureDefinition/ie-mpd-medication-interchangeable Version: 0.1.0
Draft as of 2026-09-28 Computable Name: IEMpdMedicationInterchangeable

HIQA EP 3.5.10.1 (Required 0..1, expected auto-populated from the NMPC): whether the medicinal product is on the HPRA List of Interchangeable Medicines. If true, substitution is allowed by default unless the prescriber invokes 'Do Not Substitute' (MedicationRequest.substitution.allowedBoolean = false).

Context of Use

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

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) IE MPD Medicinal Product Is Interchangeable
... extension 0..0 Extension
... url 1..1 uri "https://hl7-ie.github.io/medication-events/fhir/StructureDefinition/ie-mpd-medication-interchangeable"
... value[x] 1..1 boolean Value of extension

doco Documentation for this format
NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension 0..* Extension(4.0.1) IE MPD Medicinal Product Is Interchangeable
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 "https://hl7-ie.github.io/medication-events/fhir/StructureDefinition/ie-mpd-medication-interchangeable"

doco Documentation for this format

This structure is derived from Extension

Summary

Simple Extension with the type boolean: HIQA EP 3.5.10.1 (Required 0..1, expected auto-populated from the NMPC): whether the medicinal product is on the HPRA List of Interchangeable Medicines. If true, substitution is allowed by default unless the prescriber invokes 'Do Not Substitute' (MedicationRequest.substitution.allowedBoolean = false).

Differential View

This structure is derived from Extension

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension 0..* Extension(4.0.1) IE MPD Medicinal Product Is Interchangeable
... extension 0..0 Extension
... url 1..1 uri "https://hl7-ie.github.io/medication-events/fhir/StructureDefinition/ie-mpd-medication-interchangeable"
... value[x] 1..1 boolean Value of extension

doco Documentation for this format

Snapshot View

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension 0..* Extension(4.0.1) IE MPD Medicinal Product Is Interchangeable
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 "https://hl7-ie.github.io/medication-events/fhir/StructureDefinition/ie-mpd-medication-interchangeable"

doco Documentation for this format

This structure is derived from Extension

Summary

Simple Extension with the type boolean: HIQA EP 3.5.10.1 (Required 0..1, expected auto-populated from the NMPC): whether the medicinal product is on the HPRA List of Interchangeable Medicines. If true, substitution is allowed by default unless the prescriber invokes 'Do Not Substitute' (MedicationRequest.substitution.allowedBoolean = false).

 

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()