Netherlands - Generic Functions for data exchange Implementation Guide
0.1.0 - 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 0.1.0 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

## Data Type Profile: Author Assigned Identifier

Official URL: http://minvws.github.io/generiekefuncties-docs/StructureDefinition/nl-gf-authorassignedidentifier | Version: 0.1.0
Draft as of 2026-03-05 | Computable Name: AuthorAssignedIdentifier

Identifier assigned by the author of a resource, such as a healthcare service or organization, to uniquely identify that resource AND locate the original authoring organization when copies are stored at other locations

Usages:

- Use this DataType Profile: NL Generic Functions HealthcareService Profile, NL Generic Functions Location Profile, NL Generic Functions OrganizationAffiliation Profile and NL Generic Functions PractitionerRole Profile

You can also check for usages in the FHIR IG Statistics

### Formal Views of Profile Content

Description of Profiles, Differentials, Snapshots and how the different presentations work.

- Key Elements Table
- Differential Table
- Snapshot Table
- Statistics/References
- All

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Identifier |  | 0..* | Identifier | An identifier intended for computation
use | ?!Σ | 1..1 | code | usual | official | temp | secondary | old (If known) Binding: IdentifierUse (required): Identifies the purpose for this identifier, if known . Required Pattern: official
system | Σ | 1..1 | uri | The namespace for the identifier value Example General: http://www.acme.com/identifiers/patient
value | Σ | 1..1 | string | The value that is unique Example General: 123456
assigner | Σ | 1..1 | Reference(Organization) | Organization that issued id (may be just text)
identifier | Σ C | 1..1 | Identifier | Logical reference, when literal reference is not known Constraints: assigner-identifier-system
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 | 1..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.
coding | Σ | 1..1 | Coding | Code defined by a terminology system
system | Σ | 0..1 | uri | Identity of the terminology system Required Pattern: http://terminology.hl7.org/CodeSystem/provenance-participant-type
code | Σ | 0..1 | code | Symbol in syntax defined by the system Required Pattern: author
system | Σ | 1..1 | uri | The namespace for the identifier value Example General: http://www.acme.com/identifiers/patient
value | Σ | 1..1 | string | The value that is unique Example General: 123456
Documentation for this format

#### Terminology Bindings

Path | Status | Usage | ValueSet | Version | Source
Identifier.use | Base | required | IdentifierUse | 📍4.0.1 | FHIR Std.
Identifier.assigner.​identifier.use | Base | required | IdentifierUse | 📍4.0.1 | FHIR Std.
Identifier.assigner.​identifier.type | Base | extensible | IdentifierType | 📍4.0.1 | FHIR Std.

#### Constraints

Id | Grade | Path(s) | Description | Expression
assigner-identifier-system | error | Identifier.assigner.identifier | The assigner identifier system must be either URA or KVK. | `system = 'http://fhir.nl/fhir/NamingSystem/ura' or system = 'http://fhir.nl/fhir/NamingSystem/kvk'`
ele-1 | error | **ALL** elements | All FHIR elements must have a @value or children | `hasValue() or (children().count() > id.count())`

This structure is derived from Identifier

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Identifier |  | 0..* | Identifier | An identifier intended for computation
use |  | 1..1 | code | usual | official | temp | secondary | old (If known) Required Pattern: official
system |  | 1..1 | uri | The namespace for the identifier value
value |  | 1..1 | string | The value that is unique
assigner |  | 1..1 | Reference(Organization) | Organization that issued id (may be just text)
identifier | C | 1..1 | Identifier | Logical reference, when literal reference is not known Constraints: assigner-identifier-system
type |  | 1..1 | CodeableConcept | Description of identifier
coding |  | 1..1 | Coding | Code defined by a terminology system
system |  | 0..1 | uri | Identity of the terminology system Required Pattern: http://terminology.hl7.org/CodeSystem/provenance-participant-type
code |  | 0..1 | code | Symbol in syntax defined by the system Required Pattern: author
system |  | 1..1 | uri | The namespace for the identifier value
value |  | 1..1 | string | The value that is unique
Documentation for this format

#### Constraints

Id | Grade | Path(s) | Description | Expression
assigner-identifier-system | error | Identifier.assigner.identifier | The assigner identifier system must be either URA or KVK. | `system = 'http://fhir.nl/fhir/NamingSystem/ura' or system = 'http://fhir.nl/fhir/NamingSystem/kvk'`

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Identifier |  | 0..* | Identifier | An identifier intended for computation
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 | 1..1 | code | usual | official | temp | secondary | old (If known) Binding: IdentifierUse (required): Identifies the purpose for this identifier, if known . Required Pattern: official
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 | 1..1 | uri | The namespace for the identifier value Example General: http://www.acme.com/identifiers/patient
value | Σ | 1..1 | string | The value that is unique Example General: 123456
period | Σ | 0..1 | Period | Time period when id is/was valid for use
assigner | Σ | 1..1 | Reference(Organization) | Organization that issued id (may be just text)
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 C | 1..1 | Identifier | Logical reference, when literal reference is not known Constraints: assigner-identifier-system
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 | 1..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.
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url
coding | Σ | 1..1 | Coding | Code defined by a terminology system
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url
system | Σ | 0..1 | uri | Identity of the terminology system Required Pattern: http://terminology.hl7.org/CodeSystem/provenance-participant-type
version | Σ | 0..1 | string | Version of the system - if relevant
code | Σ | 0..1 | code | Symbol in syntax defined by the system Required Pattern: author
display | Σ | 0..1 | string | Representation defined by the system
userSelected | Σ | 0..1 | boolean | If this coding was chosen directly by the user
text | Σ | 0..1 | string | Plain text representation of the concept
system | Σ | 1..1 | uri | The namespace for the identifier value Example General: http://www.acme.com/identifiers/patient
value | Σ | 1..1 | string | The value that is unique 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

#### Terminology Bindings

Path | Status | Usage | ValueSet | Version | Source
Identifier.use | Base | required | IdentifierUse | 📍4.0.1 | FHIR Std.
Identifier.type | Base | extensible | IdentifierType | 📍4.0.1 | FHIR Std.
Identifier.assigner.​type | Base | extensible | ResourceType | 📍4.0.1 | FHIR Std.
Identifier.assigner.​identifier.use | Base | required | IdentifierUse | 📍4.0.1 | FHIR Std.
Identifier.assigner.​identifier.type | Base | extensible | IdentifierType | 📍4.0.1 | FHIR Std.

#### Constraints

Id | Grade | Path(s) | Description | Expression
assigner-identifier-system | error | Identifier.assigner.identifier | The assigner identifier system must be either URA or KVK. | `system = 'http://fhir.nl/fhir/NamingSystem/ura' or system = 'http://fhir.nl/fhir/NamingSystem/kvk'`
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()`

This structure is derived from Identifier

Summary

Mandatory: 9 elements

Key Elements View

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Identifier |  | 0..* | Identifier | An identifier intended for computation
use | ?!Σ | 1..1 | code | usual | official | temp | secondary | old (If known) Binding: IdentifierUse (required): Identifies the purpose for this identifier, if known . Required Pattern: official
system | Σ | 1..1 | uri | The namespace for the identifier value Example General: http://www.acme.com/identifiers/patient
value | Σ | 1..1 | string | The value that is unique Example General: 123456
assigner | Σ | 1..1 | Reference(Organization) | Organization that issued id (may be just text)
identifier | Σ C | 1..1 | Identifier | Logical reference, when literal reference is not known Constraints: assigner-identifier-system
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 | 1..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.
coding | Σ | 1..1 | Coding | Code defined by a terminology system
system | Σ | 0..1 | uri | Identity of the terminology system Required Pattern: http://terminology.hl7.org/CodeSystem/provenance-participant-type
code | Σ | 0..1 | code | Symbol in syntax defined by the system Required Pattern: author
system | Σ | 1..1 | uri | The namespace for the identifier value Example General: http://www.acme.com/identifiers/patient
value | Σ | 1..1 | string | The value that is unique Example General: 123456
Documentation for this format

#### Terminology Bindings

Path | Status | Usage | ValueSet | Version | Source
Identifier.use | Base | required | IdentifierUse | 📍4.0.1 | FHIR Std.
Identifier.assigner.​identifier.use | Base | required | IdentifierUse | 📍4.0.1 | FHIR Std.
Identifier.assigner.​identifier.type | Base | extensible | IdentifierType | 📍4.0.1 | FHIR Std.

#### Constraints

Id | Grade | Path(s) | Description | Expression
assigner-identifier-system | error | Identifier.assigner.identifier | The assigner identifier system must be either URA or KVK. | `system = 'http://fhir.nl/fhir/NamingSystem/ura' or system = 'http://fhir.nl/fhir/NamingSystem/kvk'`
ele-1 | error | **ALL** elements | All FHIR elements must have a @value or children | `hasValue() or (children().count() > id.count())`

Differential View

This structure is derived from Identifier

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Identifier |  | 0..* | Identifier | An identifier intended for computation
use |  | 1..1 | code | usual | official | temp | secondary | old (If known) Required Pattern: official
system |  | 1..1 | uri | The namespace for the identifier value
value |  | 1..1 | string | The value that is unique
assigner |  | 1..1 | Reference(Organization) | Organization that issued id (may be just text)
identifier | C | 1..1 | Identifier | Logical reference, when literal reference is not known Constraints: assigner-identifier-system
type |  | 1..1 | CodeableConcept | Description of identifier
coding |  | 1..1 | Coding | Code defined by a terminology system
system |  | 0..1 | uri | Identity of the terminology system Required Pattern: http://terminology.hl7.org/CodeSystem/provenance-participant-type
code |  | 0..1 | code | Symbol in syntax defined by the system Required Pattern: author
system |  | 1..1 | uri | The namespace for the identifier value
value |  | 1..1 | string | The value that is unique
Documentation for this format

#### Constraints

Id | Grade | Path(s) | Description | Expression
assigner-identifier-system | error | Identifier.assigner.identifier | The assigner identifier system must be either URA or KVK. | `system = 'http://fhir.nl/fhir/NamingSystem/ura' or system = 'http://fhir.nl/fhir/NamingSystem/kvk'`

Snapshot View

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Identifier |  | 0..* | Identifier | An identifier intended for computation
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 | 1..1 | code | usual | official | temp | secondary | old (If known) Binding: IdentifierUse (required): Identifies the purpose for this identifier, if known . Required Pattern: official
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 | 1..1 | uri | The namespace for the identifier value Example General: http://www.acme.com/identifiers/patient
value | Σ | 1..1 | string | The value that is unique Example General: 123456
period | Σ | 0..1 | Period | Time period when id is/was valid for use
assigner | Σ | 1..1 | Reference(Organization) | Organization that issued id (may be just text)
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 C | 1..1 | Identifier | Logical reference, when literal reference is not known Constraints: assigner-identifier-system
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 | 1..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.
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url
coding | Σ | 1..1 | Coding | Code defined by a terminology system
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url
system | Σ | 0..1 | uri | Identity of the terminology system Required Pattern: http://terminology.hl7.org/CodeSystem/provenance-participant-type
version | Σ | 0..1 | string | Version of the system - if relevant
code | Σ | 0..1 | code | Symbol in syntax defined by the system Required Pattern: author
display | Σ | 0..1 | string | Representation defined by the system
userSelected | Σ | 0..1 | boolean | If this coding was chosen directly by the user
text | Σ | 0..1 | string | Plain text representation of the concept
system | Σ | 1..1 | uri | The namespace for the identifier value Example General: http://www.acme.com/identifiers/patient
value | Σ | 1..1 | string | The value that is unique 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

#### Terminology Bindings

Path | Status | Usage | ValueSet | Version | Source
Identifier.use | Base | required | IdentifierUse | 📍4.0.1 | FHIR Std.
Identifier.type | Base | extensible | IdentifierType | 📍4.0.1 | FHIR Std.
Identifier.assigner.​type | Base | extensible | ResourceType | 📍4.0.1 | FHIR Std.
Identifier.assigner.​identifier.use | Base | required | IdentifierUse | 📍4.0.1 | FHIR Std.
Identifier.assigner.​identifier.type | Base | extensible | IdentifierType | 📍4.0.1 | FHIR Std.

#### Constraints

Id | Grade | Path(s) | Description | Expression
assigner-identifier-system | error | Identifier.assigner.identifier | The assigner identifier system must be either URA or KVK. | `system = 'http://fhir.nl/fhir/NamingSystem/ura' or system = 'http://fhir.nl/fhir/NamingSystem/kvk'`
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()`

This structure is derived from Identifier

Summary

Mandatory: 9 elements

Other representations of profile: CSV, Excel, Schematron