340B FHIR Exchange Implementation Guide
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340B FHIR Exchange Implementation Guide - Local Development build (v0.1.0-ballot) built by the FHIR (HL7® FHIR® Standard) Build Tools. See the Directory of published versions

Extension: 340B Reversal Reference Extension

Official URL: https://exchange.example.org/fhir/ig/340b-exchange/StructureDefinition/340b-reversal-reference Version: 0.1.0-ballot
Draft as of 2026-04-24 Computable Name: ThreeFortyBReversalReference

Identifier referencing the original transaction being reversed.

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 340B Reversal Reference Extension
... extension 0..0 Extension
... url 1..1 uri "https://exchange.example.org/fhir/ig/340b-exchange/StructureDefinition/340b-reversal-reference"
... value[x] 0..1 Identifier Value of extension

doco Documentation for this format
NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension 0..* Extension 340B Reversal Reference Extension
... id 0..1 string Unique id for inter-element referencing
... extension 0..0 Extension
Slice: Unordered, Open by value:url
... url 1..1 uri "https://exchange.example.org/fhir/ig/340b-exchange/StructureDefinition/340b-reversal-reference"

doco Documentation for this format

This structure is derived from Extension

Summary

Simple Extension with the type Identifier: Identifier referencing the original transaction being reversed.

Differential View

This structure is derived from Extension

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension 0..* Extension 340B Reversal Reference Extension
... extension 0..0 Extension
... url 1..1 uri "https://exchange.example.org/fhir/ig/340b-exchange/StructureDefinition/340b-reversal-reference"
... value[x] 0..1 Identifier Value of extension

doco Documentation for this format

Snapshot View

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension 0..* Extension 340B Reversal Reference Extension
... id 0..1 string Unique id for inter-element referencing
... extension 0..0 Extension
Slice: Unordered, Open by value:url
... url 1..1 uri "https://exchange.example.org/fhir/ig/340b-exchange/StructureDefinition/340b-reversal-reference"

doco Documentation for this format

This structure is derived from Extension

Summary

Simple Extension with the type Identifier: Identifier referencing the original transaction being reversed.

 

Other representations of profile: CSV, Excel, Schematron

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()