AU Base Implementation Guide
5.1.0-preview - Preview

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## Extension: Identifier Routability

Official URL: http://hl7.org.au/fhir/StructureDefinition/identifier-routability | Version: 5.1.0-preview
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.

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

- Element ID Identifier

### Usage Notes

Usage:

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

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
- All

This structure is derived from Extension

Name | Flags | Card. | Type | Description & Constraints
--- | --- | --- | --- | ---
Extension | C | 0..1 | Extension | Identifier routability inv-idrout-0: preference is required when flag is true
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 |  |
Documentation for this format

Name | Flags | Card. | Type | Description & Constraints
--- | --- | --- | --- | ---
Extension | C | 0..1 | Extension | Identifier routability inv-idrout-0: preference is required when flag is true
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
--- | --- | --- | --- | ---
Extension | C | 0..1 | Extension | Identifier routability inv-idrout-0: preference is required when flag is true
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 |  |
Documentation for this format

Snapshot View

Name | Flags | Card. | Type | Description & Constraints
--- | --- | --- | --- | ---
Extension | C | 0..1 | Extension | Identifier routability inv-idrout-0: preference is required when flag is true
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

Other representations of profile: CSV, Excel, Schematron

#### Constraints

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() |
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() |