NCPI FHIR Implementation Guide v2 - Local Development build (v0.2.0) built by the FHIR (HL7® FHIR® Standard) Build Tools. See the Directory of published versions
Extension: Age at Assertion
| Official URL: https://nih-ncpi.github.io/ncpi-fhir-ig-2/StructureDefinition/age-at-assertion | Version: 0.2.0 | |||
| Draft as of 2025-12-03 | Computable Name: AgeAtAssertion | |||
Age at Assertion Extension
Context of Use
-
Element ID:
effectiveDateTime
This extension may be used on the following element(s)
Usage info
Usages:
- This Extension is not used by any profiles in this Implementation Guide
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 | Age at Assertion | |
  extension |
0..0 | Extension | ||
| url |
1..1 | uri | "https://nih-ncpi.github.io/ncpi-fhir-ig-2/StructureDefinition/age-at-assertion" | |
  value[x] |
0..1 | Quantity | Indicate age via relative date time extension or official date of when condition was asserted. | |
| Documentation for this format | ||||
| Name | Flags | Card. | Type | Description & Constraints Filter: |
|---|---|---|---|---|
| Extension |
0..* | Extension | Age at Assertion | |
 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://nih-ncpi.github.io/ncpi-fhir-ig-2/StructureDefinition/age-at-assertion" | |
| value[x] |
0..1 | Quantity | Indicate age via relative date time extension or official date of when condition was asserted. | |
| 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 | Age at Assertion | |
| extension |
0..0 | Extension | ||
| url |
1..1 | uri | "https://nih-ncpi.github.io/ncpi-fhir-ig-2/StructureDefinition/age-at-assertion" | |
| value[x] |
0..1 | Quantity | Indicate age via relative date time extension or official date of when condition was asserted. | |
| Documentation for this format | ||||
Snapshot View
| Name | Flags | Card. | Type | Description & Constraints Filter: |
|---|---|---|---|---|
| Extension |
0..* | Extension | Age at Assertion | |
| 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://nih-ncpi.github.io/ncpi-fhir-ig-2/StructureDefinition/age-at-assertion" | |
| value[x] |
0..1 | Quantity | Indicate age via relative date time extension or official date of when condition was asserted. | |
| Documentation for this format | ||||
This structure is derived from Extension
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 | **ALL** extensions | Must have either extensions or value[x], not both |
extension.exists() != value.exists()
|