German Practice Management FHIR Profiles (R4) - Local Development build (v0.90.0) built by the FHIR (HL7® FHIR® Standard) Build Tools. See the Directory of published versions
Extension: PoPP Token Anchor
| Official URL: https://fhir.cognovis.de/praxis/StructureDefinition/popp-token-anchor | Version: 0.90.0 | |||
| Active as of 2026-07-29 | Computable Name: PoPPTokenAnchorExt | |||
| Other Identifiers: OID:2.16.840.1.113883.3.7985.42.317 | ||||
Stub identifier anchor for a patient presence proof token associated with an Encounter check-in.
Context of Use
-
Element ID:
Encounter
This extension may be used on the following element(s)
Usage info
Usages:
- Use this Extension: Encounter Praxis PoPP
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.
This structure is derived from Extension
| Name | Flags | Card. | Type | Description & Constraints Filter:   |
|---|---|---|---|---|
  Extension |
0..* | Extension | PoPP Token Anchor | |
  extension |
0..0 | Extension | ||
| url |
1..1 | uri | "https://fhir.cognovis.de/praxis/StructureDefinition/popp-token-anchor" | |
  value[x] |
0..1 | Identifier | Local PoPP token identifier anchor | |
 system |
1..1 | uri | The namespace for the identifier value Fixed Value: https://fhir.cognovis.de/praxis/NamingSystem/popp-token-id | |
 value |
1..1 | string | The value that is unique | |
| Documentation for this format | ||||
| Name | Flags | Card. | Type | Description & Constraints Filter: |
|---|---|---|---|---|
| Extension |
0..* | Extension | PoPP Token Anchor | |
 id |
0..1 | string | Unique id for inter-element referencing | |
| extension |
0..0 | Extension Slice: Unordered, Open by value:url | ||
| url |
1..1 | uri | "https://fhir.cognovis.de/praxis/StructureDefinition/popp-token-anchor" | |
| value[x] |
0..1 | Identifier | Local PoPP token identifier anchor | |
| 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 | 1..1 | uri | The namespace for the identifier value Fixed Value: https://fhir.cognovis.de/praxis/NamingSystem/popp-token-id |
| 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) |
| Documentation for this format | ||||
This structure is derived from Extension
Differential View
This structure is derived from Extension
| Name | Flags | Card. | Type | Description & Constraints Filter: |
|---|---|---|---|---|
| Extension |
0..* | Extension | PoPP Token Anchor | |
| extension |
0..0 | Extension | ||
| url |
1..1 | uri | "https://fhir.cognovis.de/praxis/StructureDefinition/popp-token-anchor" | |
| value[x] |
0..1 | Identifier | Local PoPP token identifier anchor | |
| system |
1..1 | uri | The namespace for the identifier value Fixed Value: https://fhir.cognovis.de/praxis/NamingSystem/popp-token-id | |
| value |
1..1 | string | The value that is unique | |
| Documentation for this format | ||||
Snapshot View
| Name | Flags | Card. | Type | Description & Constraints Filter: |
|---|---|---|---|---|
| Extension |
0..* | Extension | PoPP Token Anchor | |
| id |
0..1 | string | Unique id for inter-element referencing | |
| extension |
0..0 | Extension Slice: Unordered, Open by value:url | ||
| url |
1..1 | uri | "https://fhir.cognovis.de/praxis/StructureDefinition/popp-token-anchor" | |
| value[x] |
0..1 | Identifier | Local PoPP token identifier anchor | |
| 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 | 1..1 | uri | The namespace for the identifier value Fixed Value: https://fhir.cognovis.de/praxis/NamingSystem/popp-token-id |
| 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) |
| Documentation for this format | ||||
This structure is derived from Extension
Other representations of profile: CSV, Excel, Schematron
Terminology Bindings
| Path | Status | Usage | ValueSet | Version | Source |
| Extension.value[x].use | Base | required | IdentifierUse | 📍4.0.1 | FHIR Std. |
| Extension.value[x].type | Base | extensible | IdentifierType | 📍4.0.1 | FHIR Std. |
Constraints
| Id | Grade | Path(s) | Description | Expression |
| 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()
|