ERA FHIR specification - Local Development build (v1.0.0) built by the FHIR (HL7® FHIR® Standard) Build Tools. See the Directory of published versions
Extension: Extension usage
| Official URL: http://resepti.kanta.fi/StructureDefinition/extension/usage | Version: 1.0.0 | |||
| Active as of 2026-10-28 | Computable Name: Usage | |||
Lääkkeen käyttötarkoitus tekstinä Source
usage laajennus on käytössä MedicationRequest -resurssissa.
Context of Use
-
Element ID:
MedicationRequest
This extension may be used on the following element(s)
Usage info
Usages:
- Use this Extension: EraMedicationListMedicationRequest and MedicationListMedicationRequest
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.
| Name | Flags | Card. | Type | Description & Constraints Filter:  |
|---|---|---|---|---|
  Extension |
N | 0..* | Extension | Lääkkeen käyttötarkoitus tekstinä Constraints: ext-1 |
  id |
0..1 | string | Unique id for inter-element referencing | |
 extension |
0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url | |
| url |
1..1 | uri | "http://resepti.kanta.fi/StructureDefinition/extension/usage" | |
 value[x] |
0..1 | string | Lääkkeen käyttötarkoitus tekstinä | |
| Documentation for this format | ||||
Differential View
This structure is derived from Extension
Snapshot View
| Name | Flags | Card. | Type | Description & Constraints Filter: |
|---|---|---|---|---|
| Extension |
N | 0..* | Extension | Lääkkeen käyttötarkoitus tekstinä Constraints: ext-1 |
| id |
0..1 | string | Unique id for inter-element referencing | |
| extension |
0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url | |
| url |
1..1 | uri | "http://resepti.kanta.fi/StructureDefinition/extension/usage" | |
| value[x] |
0..1 | string | Lääkkeen käyttötarkoitus tekstinä | |
| Documentation for this format | ||||
Other representations of profile: CSV, Excel, Schematron
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 | Extension, Extension.extension | Must have either extensions or value[x], not both |
extension.exists() != value.exists()
|