Canadian Baseline
1.2.0 - CI Build

Canadian Baseline, published by HL7 Canada - FHIR Implementation Work Group. This guide is not an authorized publication; it is the continuous build for version 1.2.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7-Canada/ca-baseline/ and changes regularly. See the Directory of published versions

## Extension: Identifier Version

Official URL: http://hl7.org/fhir/ca/baseline/StructureDefinition/ext-identifierversion | Version: 1.2.0
Draft as of 2024-08-09 | Computable Name: ExtensionIdentifierVersion

A version string indicating the currency/validity of an identifier

Context of Use

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

- Element ID: `Patient.identifier`

Usage info

Usages:

- Use this Extension: Patient Profile

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.

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

This structure is derived from Extension

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Extension |  | 0..1 | Extension | Extension
url |  | 1..1 | uri | "http://hl7.org/fhir/ca/baseline/StructureDefinition/ext-identifierversion"
valueString | S | 1..1 | string | Value of extension
Documentation for this format

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Extension |  | 0..1 | Extension | Extension
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url
url |  | 1..1 | uri | "http://hl7.org/fhir/ca/baseline/StructureDefinition/ext-identifierversion"
Slices for value[x] |  | 1..1 | string | Value of extension Slice: Unordered, Closed by type:$this
value[x]:valueString | S | 1..1 | string | Value of extension
Documentation for this format

This structure is derived from Extension

Summary

Simple Extension with the type string: A version string indicating the currency/validity of an identifier

Differential View

This structure is derived from Extension

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Extension |  | 0..1 | Extension | Extension
url |  | 1..1 | uri | "http://hl7.org/fhir/ca/baseline/StructureDefinition/ext-identifierversion"
valueString | S | 1..1 | string | Value of extension
Documentation for this format

Snapshot View

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Extension |  | 0..1 | Extension | Extension
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url
url |  | 1..1 | uri | "http://hl7.org/fhir/ca/baseline/StructureDefinition/ext-identifierversion"
Slices for value[x] |  | 1..1 | string | Value of extension Slice: Unordered, Closed by type:$this
value[x]:valueString | S | 1..1 | string | Value of extension
Documentation for this format

This structure is derived from Extension

Summary

Simple Extension with the type string: A version string indicating the currency/validity of an identifier

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()`