Netherlands - Generic Functions for data exchange Implementation Guide
0.2.0-ballot - ci-build

Netherlands - Generic Functions for data exchange Implementation Guide, published by Ministerie van Volksgezondheid, Welzijn en Sport. This guide is not an authorized publication; it is the continuous build for version 0.2.0-ballot built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/minvws/generiekefuncties-docs/ and changes regularly. See the Directory of published versions

## Extension: NL Generic Functions Device Identifier

Official URL: http://minvws.github.io/generiekefuncties-docs/StructureDefinition/nl-gf-device-identifier | Version: 0.2.0-ballot
Draft as of 2026-03-24 | Computable Name: NlGfDeviceIdentifier

An identifier for a device, such as a software application.

Context of Use

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

- Element ID: `OrganizationAffiliation`

Usage info

Usages:

- Use this Extension: NL Generic Functions OrganizationAffiliation Profile
- Examples for this Extension: OrganizationAffiliation/8ee51b54-bafb-562d-87d1-9429f8bbfc1b, OrganizationAffiliation/c5d6c9d6-7562-589e-9b34-c20a3488daa1 and OrganizationAffiliation/fe43d49a-4748-5c42-a731-e40d614be8f9

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 | NL Generic Functions Device Identifier
extension |  | 0..0 |  | Extension
url |  | 1..1 | uri | "http://minvws.github.io/generiekefuncties-docs/StructureDefinition/nl-gf-device-identifier"
value[x] |  | 0..1 | Reference(NL Generic Functions Device Profile) | Value of extension
identifier |  | 1..1 | Identifier | Logical reference, when literal reference is not known
system |  | 0..1 | uri | The namespace for the identifier value Required Pattern: urn:ietf:rfc:3986
value | C | 1..1 | string | The value that is unique Constraints: device-identifier-urn
Documentation for this format

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Extension |  | 0..* | Extension | NL Generic Functions Device Identifier
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..0 |  | Extension Slice: Unordered, Open by value:url
url |  | 1..1 | uri | "http://minvws.github.io/generiekefuncties-docs/StructureDefinition/nl-gf-device-identifier"
value[x] |  | 0..1 | Reference(NL Generic Functions Device Profile) | Value of 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
reference | Σ C | 0..1 | string | Literal reference, Relative, internal or absolute URL
type | Σ | 0..1 | uri | Type the reference refers to (e.g. "Patient") Binding: ResourceType (extensible): Aa resource (or, for logical models, the URI of the logical model).
identifier | Σ | 1..1 | Identifier | Logical reference, when literal reference is not known
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url
use | ?!Σ | 0..1 | code | usual | official | temp | secondary | old (If known) Binding: IdentifierUse (required): Identifies the purpose for this identifier, if known .
type | Σ | 0..1 | CodeableConcept | Description of identifier Binding: Identifier Type Codes (extensible): A coded type for an identifier that can be used to determine which identifier to use for a specific purpose.
system | Σ | 0..1 | uri | The namespace for the identifier value Required Pattern: urn:ietf:rfc:3986
value | Σ C | 1..1 | string | The value that is unique Constraints: device-identifier-urn Example General: 123456
period | Σ | 0..1 | Period | Time period when id is/was valid for use
assigner | Σ | 0..1 | Reference(Organization) | Organization that issued id (may be just text)
display | Σ | 0..1 | string | Text alternative for the resource
Documentation for this format

This structure is derived from Extension

Summary

Simple Extension with the type Reference: An identifier for a device, such as a software application.

Differential View

This structure is derived from Extension

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Extension |  | 0..* | Extension | NL Generic Functions Device Identifier
extension |  | 0..0 |  | Extension
url |  | 1..1 | uri | "http://minvws.github.io/generiekefuncties-docs/StructureDefinition/nl-gf-device-identifier"
value[x] |  | 0..1 | Reference(NL Generic Functions Device Profile) | Value of extension
identifier |  | 1..1 | Identifier | Logical reference, when literal reference is not known
system |  | 0..1 | uri | The namespace for the identifier value Required Pattern: urn:ietf:rfc:3986
value | C | 1..1 | string | The value that is unique Constraints: device-identifier-urn
Documentation for this format

Snapshot View

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Extension |  | 0..* | Extension | NL Generic Functions Device Identifier
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..0 |  | Extension Slice: Unordered, Open by value:url
url |  | 1..1 | uri | "http://minvws.github.io/generiekefuncties-docs/StructureDefinition/nl-gf-device-identifier"
value[x] |  | 0..1 | Reference(NL Generic Functions Device Profile) | Value of 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
reference | Σ C | 0..1 | string | Literal reference, Relative, internal or absolute URL
type | Σ | 0..1 | uri | Type the reference refers to (e.g. "Patient") Binding: ResourceType (extensible): Aa resource (or, for logical models, the URI of the logical model).
identifier | Σ | 1..1 | Identifier | Logical reference, when literal reference is not known
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url
use | ?!Σ | 0..1 | code | usual | official | temp | secondary | old (If known) Binding: IdentifierUse (required): Identifies the purpose for this identifier, if known .
type | Σ | 0..1 | CodeableConcept | Description of identifier Binding: Identifier Type Codes (extensible): A coded type for an identifier that can be used to determine which identifier to use for a specific purpose.
system | Σ | 0..1 | uri | The namespace for the identifier value Required Pattern: urn:ietf:rfc:3986
value | Σ C | 1..1 | string | The value that is unique Constraints: device-identifier-urn Example General: 123456
period | Σ | 0..1 | Period | Time period when id is/was valid for use
assigner | Σ | 0..1 | Reference(Organization) | Organization that issued id (may be just text)
display | Σ | 0..1 | string | Text alternative for the resource
Documentation for this format

This structure is derived from Extension

Summary

Simple Extension with the type Reference: An identifier for a device, such as a software application.

Other representations of profile: CSV, Excel, Schematron

#### Terminology Bindings

Path | Status | Usage | ValueSet | Version | Source
Extension.value[x].type | Base | extensible | ResourceType | 📍4.0.1 | FHIR Std.
Extension.value[x].identifier.​use | Base | required | IdentifierUse | 📍4.0.1 | FHIR Std.
Extension.value[x].identifier.​type | Base | extensible | IdentifierType | 📍4.0.1 | FHIR Std.

#### Constraints

Id | Grade | Path(s) | Description | Expression
device-identifier-urn | error | Extension.value[x].identifier.value | The device identifier must be a URN with a valid UUID or OID. | `startsWith('urn:uuid:') or startsWith('urn:oid:')`
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()`