German Practice Management FHIR Profiles (R4) - Local Development build (v0.71.0) built by the FHIR (HL7® FHIR® Standard) Build Tools. See the Directory of published versions
Extension: Wegegeld Hausbesuch
| Official URL: https://fhir.cognovis.de/praxis/StructureDefinition/wegegeld-hausbesuch | Version: 0.71.0 | |||
| Active as of 2026-05-30 | Computable Name: WegegeldHausbesuchExt | |||
| Other Identifiers: OID:2.16.840.1.113883.3.7985.42.268 | ||||
Distance and zone for home visits (Wegegeld). Sourced from Patient.EntfernungZurPraxis (distance km) and Schein.Zonenkennzeichen/Patient.Zonenkennzeichen (per ADR-002). Editable by downstream systems with writeback.
Context of Use
-
Element ID:
Encounter
This extension may be used on the following element(s)
Usage info
Usages:
- Use this Extension: Encounter Praxis
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 | Wegegeld Hausbesuch | |
  Slices for extension |
Content/Rules for all slices | |||
   extension:distance |
S | 0..1 | Extension | Home visit distance in kilometres |
   extension |
0..0 | Extension | ||
| url |
1..1 | uri | "distance" | |
  value[x] |
0..1 | Quantity | Value of extension | |
  unit |
0..1 | string | Unit representation Required Pattern: km | |
| system |
0..1 | uri | System that defines coded unit form Required Pattern: http://unitsofmeasure.org | |
 code |
0..1 | code | Coded form of the unit Required Pattern: km | |
 extension:zone |
S | 0..1 | Extension | Home visit Besuchszone |
| extension |
0..0 | Extension | ||
| url |
1..1 | uri | "zone" | |
 value[x] |
0..1 | Coding | Value of extension Binding: Praxis Home Visit Zones (required) | |
| url |
1..1 | uri | "https://fhir.cognovis.de/praxis/StructureDefinition/wegegeld-hausbesuch" | |
| value[x] |
0..0 | Value of extension | ||
| Documentation for this format | ||||
| Name | Flags | Card. | Type | Description & Constraints Filter: |
|---|---|---|---|---|
| Extension |
0..* | Extension | Wegegeld Hausbesuch | |
 id |
0..1 | string | Unique id for inter-element referencing | |
| Slices for extension |
0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url | |
| extension:distance |
S | 0..1 | Extension | Home visit distance in kilometres |
| id |
0..1 | string | Unique id for inter-element referencing | |
| extension |
0..0 | Extension Slice: Unordered, Open by value:url | ||
| url |
1..1 | uri | "distance" | |
| value[x] |
0..1 | Quantity | 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 | |
| value |
Σ | 0..1 | decimal | Numerical value (with implicit precision) |
| comparator |
?!Σ | 0..1 | code | < | <= | >= | > - how to understand the value Binding: QuantityComparator (required): How the Quantity should be understood and represented. |
| unit |
Σ | 0..1 | string | Unit representation Required Pattern: km |
| system |
ΣC | 0..1 | uri | System that defines coded unit form Required Pattern: http://unitsofmeasure.org |
| code |
Σ | 0..1 | code | Coded form of the unit Required Pattern: km |
| extension:zone |
S | 0..1 | Extension | Home visit Besuchszone |
| id |
0..1 | string | Unique id for inter-element referencing | |
| extension |
0..0 | Extension Slice: Unordered, Open by value:url | ||
| url |
1..1 | uri | "zone" | |
| value[x] |
0..1 | Coding | Value of extension Binding: Praxis Home Visit Zones (required) | |
| url |
1..1 | uri | "https://fhir.cognovis.de/praxis/StructureDefinition/wegegeld-hausbesuch" | |
| Documentation for this format | ||||
This structure is derived from Extension
Summary
Complex Extension: Distance and zone for home visits (Wegegeld). Sourced from Patient.EntfernungZurPraxis (distance km) and Schein.Zonenkennzeichen/Patient.Zonenkennzeichen (per ADR-002). Editable by downstream systems with writeback.
- distance: Quantity: Distance to the patient home in km, sourced from Patient.EntfernungZurPraxis. Used for Wegegeld billing code determination per EBM chapter 40.
- zone: Coding: Zone coding for Wegegeld, sourced from Schein.Zonenkennzeichen with Patient.Zonenkennzeichen as default per ADR-002. Editable by downstream systems with writeback to the configured source columns per ADR-002.
Differential View
This structure is derived from Extension
| Name | Flags | Card. | Type | Description & Constraints Filter: |
|---|---|---|---|---|
| Extension |
0..* | Extension | Wegegeld Hausbesuch | |
| Slices for extension |
Content/Rules for all slices | |||
| extension:distance |
S | 0..1 | Extension | Home visit distance in kilometres |
| extension |
0..0 | Extension | ||
| url |
1..1 | uri | "distance" | |
| value[x] |
0..1 | Quantity | Value of extension | |
| unit |
0..1 | string | Unit representation Required Pattern: km | |
| system |
0..1 | uri | System that defines coded unit form Required Pattern: http://unitsofmeasure.org | |
| code |
0..1 | code | Coded form of the unit Required Pattern: km | |
| extension:zone |
S | 0..1 | Extension | Home visit Besuchszone |
| extension |
0..0 | Extension | ||
| url |
1..1 | uri | "zone" | |
| value[x] |
0..1 | Coding | Value of extension Binding: Praxis Home Visit Zones (required) | |
| url |
1..1 | uri | "https://fhir.cognovis.de/praxis/StructureDefinition/wegegeld-hausbesuch" | |
| value[x] |
0..0 | Value of extension | ||
| Documentation for this format | ||||
Snapshot View
| Name | Flags | Card. | Type | Description & Constraints Filter: |
|---|---|---|---|---|
| Extension |
0..* | Extension | Wegegeld Hausbesuch | |
| id |
0..1 | string | Unique id for inter-element referencing | |
| Slices for extension |
0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url | |
| extension:distance |
S | 0..1 | Extension | Home visit distance in kilometres |
| id |
0..1 | string | Unique id for inter-element referencing | |
| extension |
0..0 | Extension Slice: Unordered, Open by value:url | ||
| url |
1..1 | uri | "distance" | |
| value[x] |
0..1 | Quantity | 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 | |
| value |
Σ | 0..1 | decimal | Numerical value (with implicit precision) |
| comparator |
?!Σ | 0..1 | code | < | <= | >= | > - how to understand the value Binding: QuantityComparator (required): How the Quantity should be understood and represented. |
| unit |
Σ | 0..1 | string | Unit representation Required Pattern: km |
| system |
ΣC | 0..1 | uri | System that defines coded unit form Required Pattern: http://unitsofmeasure.org |
| code |
Σ | 0..1 | code | Coded form of the unit Required Pattern: km |
| extension:zone |
S | 0..1 | Extension | Home visit Besuchszone |
| id |
0..1 | string | Unique id for inter-element referencing | |
| extension |
0..0 | Extension Slice: Unordered, Open by value:url | ||
| url |
1..1 | uri | "zone" | |
| value[x] |
0..1 | Coding | Value of extension Binding: Praxis Home Visit Zones (required) | |
| url |
1..1 | uri | "https://fhir.cognovis.de/praxis/StructureDefinition/wegegeld-hausbesuch" | |
| Documentation for this format | ||||
This structure is derived from Extension
Summary
Complex Extension: Distance and zone for home visits (Wegegeld). Sourced from Patient.EntfernungZurPraxis (distance km) and Schein.Zonenkennzeichen/Patient.Zonenkennzeichen (per ADR-002). Editable by downstream systems with writeback.
- distance: Quantity: Distance to the patient home in km, sourced from Patient.EntfernungZurPraxis. Used for Wegegeld billing code determination per EBM chapter 40.
- zone: Coding: Zone coding for Wegegeld, sourced from Schein.Zonenkennzeichen with Patient.Zonenkennzeichen as default per ADR-002. Editable by downstream systems with writeback to the configured source columns per ADR-002.
Other representations of profile: CSV, Excel, Schematron
Terminology Bindings
| Path | Status | Usage | ValueSet | Version | Source |
| Extension.extension:distance.value[x].comparator | Base | required | QuantityComparator | 📍4.0.1 | FHIR Std. |
| Extension.extension:zone.value[x] | Base | required | Praxis Home Visit Zones | 📦0.71.0 | This IG |
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()
|