LOINC – IVD Test Code (LIVD) Mapping
1.0.0 - STU 1

LOINC – IVD Test Code (LIVD) Mapping, published by HL7 International / Orders and Observations. This guide is not an authorized publication; it is the continuous build for version 1.0.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/livd/ and changes regularly. See the Directory of published versions

## Extension: LIVD Region

Official URL: http://hl7.org/fhir/uv/livd/StructureDefinition/ext-region | Version: 1.0.0
Standards status: Trial-use | Maturity Level: 2 | Computable Name: LIVDRegion
Other Identifiers: OID:2.16.840.1.113883.4.642.40.51.42.7

Provides the region(s), such as country, state, continent, set of countries or states, where the LIVD Mapping Publication applies.

Context of Use

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

- Element ID: `Composition`

Usage info

Usages:

- Use this Extension: LIVDCatalog
- Examples for this Extension: Bundle/livd-example

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 | LIVD Region
extension |  | 0..0 |  |
url |  | 1..1 | uri | "http://hl7.org/fhir/uv/livd/StructureDefinition/ext-region"
Slices for value[x] |  | 1..1 | CodeableConcept | Value of extension Slice: Unordered, Open by type:$this
value[x]:valueCodeableConcept |  | 1..1 | CodeableConcept | Value of extension
Documentation for this format

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Extension |  | 0..* | Extension | LIVD Region
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..0 |  |
url |  | 1..1 | uri | "http://hl7.org/fhir/uv/livd/StructureDefinition/ext-region"
Slices for value[x] |  | 1..1 | CodeableConcept | Value of extension Slice: Unordered, Closed by type:$this
value[x]:valueCodeableConcept |  | 1..1 | CodeableConcept | Value of extension
Documentation for this format

This structure is derived from Extension

Summary

Simple Extension with the type CodeableConcept: Provides the region(s), such as country, state, continent, set of countries or states, where the LIVD Mapping Publication applies.

Maturity: 2

Differential View

This structure is derived from Extension

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Extension |  | 0..* | Extension | LIVD Region
extension |  | 0..0 |  |
url |  | 1..1 | uri | "http://hl7.org/fhir/uv/livd/StructureDefinition/ext-region"
Slices for value[x] |  | 1..1 | CodeableConcept | Value of extension Slice: Unordered, Open by type:$this
value[x]:valueCodeableConcept |  | 1..1 | CodeableConcept | Value of extension
Documentation for this format

Snapshot View

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Extension |  | 0..* | Extension | LIVD Region
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..0 |  |
url |  | 1..1 | uri | "http://hl7.org/fhir/uv/livd/StructureDefinition/ext-region"
Slices for value[x] |  | 1..1 | CodeableConcept | Value of extension Slice: Unordered, Closed by type:$this
value[x]:valueCodeableConcept |  | 1..1 | CodeableConcept | Value of extension
Documentation for this format

This structure is derived from Extension

Summary

Simple Extension with the type CodeableConcept: Provides the region(s), such as country, state, continent, set of countries or states, where the LIVD Mapping Publication applies.

Maturity: 2

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() |