oncologyfhirigkenya - Local Development build (v0.1.0) built by the FHIR (HL7® FHIR® Standard) Build Tools. See the Directory of published versions
Extension: ECOG Performance Status
| Official URL: http://example.org/StructureDefinition/ecogPerformanceStatus | Version: 0.1.0 | |||
| Draft as of 2026-06-23 | Computable Name: EcogPerformanceStatus | |||
Eastern Cooperative Oncology Group (ECOG) performance status.
Context of Use
-
Element ID:
Observation
This extension may be used on the following element(s)
Usage info
Usages:
- Use this Extension: Oncology Observation Kenya
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 | ECOG Performance Status | |
  extension |
0..0 | Extension | ||
| url |
1..1 | uri | "http://example.org/StructureDefinition/ecogPerformanceStatus" | |
  Slices for value[x] |
1..1 | CodeableConcept | Value of extension Slice: Unordered, Open by type:$this | |
   value[x]:valueCodeableConcept |
1..1 | CodeableConcept | Value of extension Binding: http://fhir.org/guides/kenya/ValueSet/ecog-status (preferred) | |
| Documentation for this format | ||||
| Name | Flags | Card. | Type | Description & Constraints Filter: |
|---|---|---|---|---|
| Extension |
0..* | Extension | ECOG Performance Status | |
 id |
0..1 | string | Unique id for inter-element referencing | |
| extension |
0..0 | Extension Slice: Unordered, Open by value:url | ||
| url |
1..1 | uri | "http://example.org/StructureDefinition/ecogPerformanceStatus" | |
| Slices for value[x] |
1..1 | CodeableConcept | Value of extension Slice: Unordered, Closed by type:$this | |
| value[x]:valueCodeableConcept |
1..1 | CodeableConcept | Value of extension Binding: http://fhir.org/guides/kenya/ValueSet/ecog-status (preferred) | |
| 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 | ECOG Performance Status | |
| extension |
0..0 | Extension | ||
| url |
1..1 | uri | "http://example.org/StructureDefinition/ecogPerformanceStatus" | |
| Slices for value[x] |
1..1 | CodeableConcept | Value of extension Slice: Unordered, Open by type:$this | |
| value[x]:valueCodeableConcept |
1..1 | CodeableConcept | Value of extension Binding: http://fhir.org/guides/kenya/ValueSet/ecog-status (preferred) | |
| Documentation for this format | ||||
Snapshot View
| Name | Flags | Card. | Type | Description & Constraints Filter: |
|---|---|---|---|---|
| Extension |
0..* | Extension | ECOG Performance Status | |
| id |
0..1 | string | Unique id for inter-element referencing | |
| extension |
0..0 | Extension Slice: Unordered, Open by value:url | ||
| url |
1..1 | uri | "http://example.org/StructureDefinition/ecogPerformanceStatus" | |
| Slices for value[x] |
1..1 | CodeableConcept | Value of extension Slice: Unordered, Closed by type:$this | |
| value[x]:valueCodeableConcept |
1..1 | CodeableConcept | Value of extension Binding: http://fhir.org/guides/kenya/ValueSet/ecog-status (preferred) | |
| 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]:valueCodeableConcept | Base | preferred | http://fhir.org/guides/kenya/ValueSet/ecog-status | Not State | Unknown |
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()
|