AU Base Implementation Guide
6.0.1-ci-build - CI Build

AU Base Implementation Guide, published by HL7 Australia. This guide is not an authorized publication; it is the continuous build for version 6.0.1-ci-build built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/AuDigitalHealth/au-fhir-base/ and changes regularly. See the Directory of published versions

## Extension: Identifier Routability

Official URL: http://hl7.org.au/fhir/StructureDefinition/identifier-routability | Version: 6.0.1-ci-build
Standards status: Trial-use | Maturity Level: 2 | Computable Name: IdentifierRoutability
Copyright/Legal: HL7 Australia© 2018+; Licensed Under Creative Commons No Rights Reserved.

This extension applies to the Identifier data type. Identifier routability preferences for an asserter.

Context of Use

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

- Element ID: `Identifier`

### Usage Notes

Usage info

Usages:

- This Extension is not used by any profiles in this Implementation Guide

You can also check for usages in the FHIR IG Statistics

Changes since version 5.0.0:

- No changes

### 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 | C | 0..1 | Extension | Identifier routability Constraints: inv-idrout-0
Slices for extension |  | 2..* | Extension | Extension Slice: Unordered, Open by value:url
extension:routability-flag |  | 1..1 | Extension | Indicates asserter can route associated identifier
url |  | 1..1 | uri | "routability-flag"
value[x] | C | 1..1 | boolean | Value of extension
extension:routability-preference |  | 0..1 | Extension | Indicates the asserter's preference for selection of this identifier for routing
url |  | 1..1 | uri | "routability-preference"
value[x] | C | 1..1 | unsignedInt | Value of extension
extension:routability-asserter |  | 1..* | Extension | Identifies asserter
url |  | 1..1 | uri | "routability-asserter"
value[x] |  | 1..1 | uri | Value of extension
url |  | 1..1 | uri | "http://hl7.org.au/fhir/StructureDefinition/identifier-routability"
value[x] |  | 0..0 |  | Value of extension
Documentation for this format

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Extension | C | 0..1 | Extension | Identifier routability Constraints: inv-idrout-0
id |  | 0..1 | string | Unique id for inter-element referencing
Slices for extension |  | 2..* | Extension | Extension Slice: Unordered, Open by value:url
extension:routability-flag |  | 1..1 | Extension | Indicates asserter can route associated identifier
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 | "routability-flag"
value[x] | C | 1..1 | boolean | Value of extension
extension:routability-preference |  | 0..1 | Extension | Indicates the asserter's preference for selection of this identifier for routing
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 | "routability-preference"
value[x] | C | 1..1 | unsignedInt | Value of extension
extension:routability-asserter |  | 1..* | Extension | Identifies asserter
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 | "routability-asserter"
value[x] |  | 1..1 | uri | Value of extension
url |  | 1..1 | uri | "http://hl7.org.au/fhir/StructureDefinition/identifier-routability"
Documentation for this format

This structure is derived from Extension

Summary

Complex Extension: This extension applies to the Identifier data type. Identifier routability preferences for an asserter.

- routability-flag: boolean: An Extension
- routability-preference: unsignedInt: Lower value is higher preference. 0 is highest priority.
- routability-asserter: uri: An Extension

Maturity: 2

Differential View

This structure is derived from Extension

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Extension | C | 0..1 | Extension | Identifier routability Constraints: inv-idrout-0
Slices for extension |  | 2..* | Extension | Extension Slice: Unordered, Open by value:url
extension:routability-flag |  | 1..1 | Extension | Indicates asserter can route associated identifier
url |  | 1..1 | uri | "routability-flag"
value[x] | C | 1..1 | boolean | Value of extension
extension:routability-preference |  | 0..1 | Extension | Indicates the asserter's preference for selection of this identifier for routing
url |  | 1..1 | uri | "routability-preference"
value[x] | C | 1..1 | unsignedInt | Value of extension
extension:routability-asserter |  | 1..* | Extension | Identifies asserter
url |  | 1..1 | uri | "routability-asserter"
value[x] |  | 1..1 | uri | Value of extension
url |  | 1..1 | uri | "http://hl7.org.au/fhir/StructureDefinition/identifier-routability"
value[x] |  | 0..0 |  | Value of extension
Documentation for this format

Snapshot View

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Extension | C | 0..1 | Extension | Identifier routability Constraints: inv-idrout-0
id |  | 0..1 | string | Unique id for inter-element referencing
Slices for extension |  | 2..* | Extension | Extension Slice: Unordered, Open by value:url
extension:routability-flag |  | 1..1 | Extension | Indicates asserter can route associated identifier
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 | "routability-flag"
value[x] | C | 1..1 | boolean | Value of extension
extension:routability-preference |  | 0..1 | Extension | Indicates the asserter's preference for selection of this identifier for routing
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 | "routability-preference"
value[x] | C | 1..1 | unsignedInt | Value of extension
extension:routability-asserter |  | 1..* | Extension | Identifies asserter
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 | "routability-asserter"
value[x] |  | 1..1 | uri | Value of extension
url |  | 1..1 | uri | "http://hl7.org.au/fhir/StructureDefinition/identifier-routability"
Documentation for this format

This structure is derived from Extension

Summary

Complex Extension: This extension applies to the Identifier data type. Identifier routability preferences for an asserter.

- routability-flag: boolean: An Extension
- routability-preference: unsignedInt: Lower value is higher preference. 0 is highest priority.
- routability-asserter: uri: An Extension

Maturity: 2

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()`
inv-idrout-0 | error | Extension | preference is required when flag is true | `extension.where(url='routability-flag').value.single()=true implies extension.where(url='routability-preference').exists()`