Implementierungsleitfaden Therapieziele Onkologie - Local Development build (v1.0.0-ballot) built by the FHIR (HL7® FHIR® Standard) Build Tools. See the Directory of published versions
Extension: Line of therapy – medication request extension
| Official URL: https://bih-cei.de/fhir/therapieziele-onkologie/StructureDefinition/onko-therapy-line-medication-request | Version: 1.0.0-ballot | ||||
| Draft as of 2026-08-03 | Computable Name: OnkoTherapyLineMedicationRequestExt | ||||
Reference to the MedicationRequest resource or resources that gave rise to or order this line of therapy. EpisodeOfCare.referralRequest is restricted to a Reference of type ServiceRequest in FHIR core and profiles cannot widen reference target types. For lines of therapy triggered by a medication order rather than a ServiceRequest, e.g. an antineoplastic systemic therapy, this extension is used alongside referralRequest.
Context of Use
-
Element ID:
EpisodeOfCare
This extension may be used on the following element(s)
Usage info
Usages:
- Use this Extension: Onkologische Therapielinie
- Examples for this Extension: Bundle/BundleMammaNeoadjuvant, EpisodeOfCare/TherapielinieChemo and EpisodeOfCare/TherapieliniePembroAdjuvant
You can also check for usages in the FHIR IG Statistics
Formal Views of Extension Content
Description Differentials, Snapshots, and other representations.
| Name | Flags | Card. | Type | Description & Constraints Filter:   |
|---|---|---|---|---|
  Extension |
0..* | Extension | Therapielinie – Medikationsverordnung (Extension) | |
  extension |
0..0 | Extension | ||
| url |
1..1 | uri | "https://bih-cei.de/fhir/therapieziele-onkologie/StructureDefinition/onko-therapy-line-medication-request" | |
  value[x] |
0..1 | Reference(MedicationRequest) | Medication request | |
| Documentation for this format | ||||
| Name | Flags | Card. | Type | Description & Constraints Filter: |
|---|---|---|---|---|
 Extension |
0..* | Extension | Therapielinie – Medikationsverordnung (Extension) | |
 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://bih-cei.de/fhir/therapieziele-onkologie/StructureDefinition/onko-therapy-line-medication-request" | |
| value[x] |
0..1 | Reference(MedicationRequest) | Medication request | |
| Documentation for this format | ||||
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()
|
Summary
Simple Extension with the type Reference: Reference to the MedicationRequest resource or resources that gave rise to or order this line of therapy. EpisodeOfCare.referralRequest is restricted to a Reference of type ServiceRequest in FHIR core and profiles cannot widen reference target types. For lines of therapy triggered by a medication order rather than a ServiceRequest, e.g. an antineoplastic systemic therapy, this extension is used alongside referralRequest.
Differential ViewDifferential View
| Name | Flags | Card. | Type | Description & Constraints Filter: |
|---|---|---|---|---|
| Extension |
0..* | Extension | Therapielinie – Medikationsverordnung (Extension) | |
| extension |
0..0 | Extension | ||
| url |
1..1 | uri | "https://bih-cei.de/fhir/therapieziele-onkologie/StructureDefinition/onko-therapy-line-medication-request" | |
| value[x] |
0..1 | Reference(MedicationRequest) | Medication request | |
| Documentation for this format | ||||
Snapshot View
| Name | Flags | Card. | Type | Description & Constraints Filter: |
|---|---|---|---|---|
| Extension |
0..* | Extension | Therapielinie – Medikationsverordnung (Extension) | |
| 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://bih-cei.de/fhir/therapieziele-onkologie/StructureDefinition/onko-therapy-line-medication-request" | |
| value[x] |
0..1 | Reference(MedicationRequest) | Medication request | |
| Documentation for this format | ||||
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()
|
Summary
Simple Extension with the type Reference: Reference to the MedicationRequest resource or resources that gave rise to or order this line of therapy. EpisodeOfCare.referralRequest is restricted to a Reference of type ServiceRequest in FHIR core and profiles cannot widen reference target types. For lines of therapy triggered by a medication order rather than a ServiceRequest, e.g. an antineoplastic systemic therapy, this extension is used alongside referralRequest.
Other representations of profile: CSV, Excel, Schematron