FHIR Tooling Extensions IG
0.7.0 - Release 0.2.0
FHIR Tooling Extensions IG
0.7.0 - Release 0.2.0
This page is part of the HL7 Tools Extension IG (v0.7.0: Release - Informative) based on FHIR (HL7® FHIR® Standard) v5.0.0. This is the current published version in its permanent home (it will always be available at this URL). For a full list of available versions, see the Directory of published versions
| Official URL: http://hl7.org/fhir/tools/StructureDefinition/extension-style | Version: 0.7.0 | |||
| Standards status: Informative | Maturity Level: 3 | Computable Name: ExtensionStylesEXT | ||
| Other Identifiers: OID:2.16.840.1.113883.4.642.40.1.42.14 | ||||
How the type can be extended. Note that all FHIR types that inherit from Element have extension-style = fhir-extensions
Context of Use
This extension may be used on the following element(s)
StructureDefinition
ElementDefinition
Usage info
Usages:
You can also check for usages in the FHIR IG Statistics
Description of Profiles, Differentials, Snapshots, and how the XML and JSON presentations work.
This structure is derived from Extension
| Name | Flags | Card. | Type | Description & Constraints Filter:   |
|---|---|---|---|---|
  Extension |
0..* | Extension | How the type can be extended | |
  extension |
0..0 | |||
| url |
1..1 | uri | "http://hl7.org/fhir/tools/StructureDefinition/extension-style" | |
  value[x] |
1..1 | code | Value of extension Binding: Extension Style ValueSet (required) | |
| Documentation for this format | ||||
| Name | Flags | Card. | Type | Description & Constraints Filter: |
|---|---|---|---|---|
| Extension |
0..* | Extension | How the type can be extended | |
| id |
0..1 | id | Unique id for inter-element referencing | |
| extension |
0..0 | |||
| url |
1..1 | uri | "http://hl7.org/fhir/tools/StructureDefinition/extension-style" | |
| value[x] |
1..1 | code | Value of extension Binding: Extension Style ValueSet (required) | |
| Documentation for this format | ||||
Differential View
This structure is derived from Extension
| Name | Flags | Card. | Type | Description & Constraints Filter: |
|---|---|---|---|---|
| Extension |
0..* | Extension | How the type can be extended | |
| extension |
0..0 | |||
| url |
1..1 | uri | "http://hl7.org/fhir/tools/StructureDefinition/extension-style" | |
| value[x] |
1..1 | code | Value of extension Binding: Extension Style ValueSet (required) | |
| Documentation for this format | ||||
Snapshot View
| Name | Flags | Card. | Type | Description & Constraints Filter: |
|---|---|---|---|---|
| Extension |
0..* | Extension | How the type can be extended | |
| id |
0..1 | id | Unique id for inter-element referencing | |
| extension |
0..0 | |||
| url |
1..1 | uri | "http://hl7.org/fhir/tools/StructureDefinition/extension-style" | |
| value[x] |
1..1 | code | Value of extension Binding: Extension Style ValueSet (required) | |
| Documentation for this format | ||||
Other representations of profile: CSV, Excel, Schematron
| Path | Conformance | ValueSet | URI |
| Extension.value[x] | required | ExtensionStylesVS(a valid code from Extension Style Codes)http://hl7.org/fhir/tools/ValueSet/extension-styleFrom this IG |
| 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() |
IG © 2022+ HL7 International / FHIR Infrastructure. Package hl7.fhir.uv.tools#0.7.0 based on FHIR 5.0.0. Generated 2025-07-21
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