NHSD Implementation Guide - Outbound
4.0.1 - active

NHSD Implementation Guide - Outbound - Local Development build (v4.0.1) built by the FHIR (HL7® FHIR® Standard) Build Tools. See the Directory of published versions

## Extension: characteristic-group

Official URL: http://fhir.nhsd.com.au/StructureDefinition/characteristic-group | Version: 4.0.1
Draft as of 2017-11-22 | Computable Name: au-characteristic-group
Copyright/Legal: National Health Services Directory© 2018+; Licensed Under Creative Commons No Rights Reserved.

Provides context for the Characteristic Group in which the coding belong. It offers the ability to group or otherwise determine best match for data.

Context of Use

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

- Element ID: `Coding`
- Element ID: `HealthcareService.characteristic.coding`

Extension: characteristic-group

Usage info

Usages:

- Use this Extension: NHSD HealthcareService

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..* | Extension | Characteristic group extension
url |  | 1..1 | uri | "http://fhir.nhsd.com.au/StructureDefinition/characteristic-group"
Slices for valueString |  |  |  | Content/Rules for all slices
valueString:valueString |  | 1..1 | string | Value of extension
Documentation for this format

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Extension |  | 0..* | Extension | Characteristic group 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://fhir.nhsd.com.au/StructureDefinition/characteristic-group"
Slices for value[x] |  | 1..1 | string | Value of extension Slice: Unordered, Closed by type:$this
value[x]:valueString |  | 1..1 | string | Value of extension
Documentation for this format

This structure is derived from Extension

Summary

Simple Extension with the type string: Provides context for the Characteristic Group in which the coding belong. It offers the ability to group or otherwise determine best match for data.

Differential View

This structure is derived from Extension

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Extension |  | 0..* | Extension | Characteristic group extension
url |  | 1..1 | uri | "http://fhir.nhsd.com.au/StructureDefinition/characteristic-group"
Slices for valueString |  |  |  | Content/Rules for all slices
valueString:valueString |  | 1..1 | string | Value of extension
Documentation for this format

Snapshot View

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Extension |  | 0..* | Extension | Characteristic group 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://fhir.nhsd.com.au/StructureDefinition/characteristic-group"
Slices for value[x] |  | 1..1 | string | Value of extension Slice: Unordered, Closed by type:$this
value[x]:valueString |  | 1..1 | string | Value of extension
Documentation for this format

This structure is derived from Extension

Summary

Simple Extension with the type string: Provides context for the Characteristic Group in which the coding belong. It offers the ability to group or otherwise determine best match for data.

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() |

### Notes:

Please refer to NHSD HealthcareService for implementation examples on characteristic-group usage.