HL7 Europe Extensions
1.3.0 - trial-use 150

HL7 Europe Extensions - Downloaded Version 1.3.0 See the Directory of published versions

## Extension: Many: Periods of Life

Official URL: http://hl7.eu/fhir/extensions/StructureDefinition/periods-of-life | Version: 1.3.0
Active as of 2026-03-27 | Computable Name: PeriodsOfLife
Copyright/Legal: Copyright HL7 Europe. Licensed under Creative Commons public domain (CC0 1.0).

Extensions used to indicate a time period in a person's life as a reference to a coded value for that life period.

Context of Use

This extension may be used on the following element(s)

- Element ID: `Age`
- Element ID: `Period`
- Element ID: `Range`
- Element ID: `Range.low`
- Element ID: `Range.high`
- Element ID: `dateTime`

Usage info

Usages:

- Examples for this Extension: Condition/condition-example and Consent/consent-example

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.

- Differential Table
- Snapshot Table
- Statistics/References
- All

This structure is derived from Extension

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Extension |  | 0..* | Extension | Many: Periods of Life
extension |  | 0..0 |  | Extension
url |  | 1..1 | uri | "http://hl7.eu/fhir/extensions/StructureDefinition/periods-of-life"
value[x] |  | 0..1 | CodeableConcept | Value of extension Binding: Periods of Life Value Set (preferred)
Documentation for this format

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Extension |  | 0..* | Extension | Many: Periods of Life
id |  | 0..1 | id | Unique id for inter-element referencing
extension |  | 0..0 |  | Extension Slice: Unordered, Open by value:url
url |  | 1..1 | uri | "http://hl7.eu/fhir/extensions/StructureDefinition/periods-of-life"
value[x] |  | 0..1 | CodeableConcept | Value of extension Binding: Periods of Life Value Set (preferred)
Documentation for this format

This structure is derived from Extension

Summary

Simple Extension with the type CodeableConcept: Extensions used to indicate a time period in a person's life as a reference to a coded value for that life period.

Differential View

This structure is derived from Extension

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Extension |  | 0..* | Extension | Many: Periods of Life
extension |  | 0..0 |  | Extension
url |  | 1..1 | uri | "http://hl7.eu/fhir/extensions/StructureDefinition/periods-of-life"
value[x] |  | 0..1 | CodeableConcept | Value of extension Binding: Periods of Life Value Set (preferred)
Documentation for this format

Snapshot View

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Extension |  | 0..* | Extension | Many: Periods of Life
id |  | 0..1 | id | Unique id for inter-element referencing
extension |  | 0..0 |  | Extension Slice: Unordered, Open by value:url
url |  | 1..1 | uri | "http://hl7.eu/fhir/extensions/StructureDefinition/periods-of-life"
value[x] |  | 0..1 | CodeableConcept | Value of extension Binding: Periods of Life Value Set (preferred)
Documentation for this format

This structure is derived from Extension

Summary

Simple Extension with the type CodeableConcept: Extensions used to indicate a time period in a person's life as a reference to a coded value for that life period.

Other representations of profile: CSV, Excel, Schematron

#### Terminology Bindings

Path | Status | Usage | ValueSet | Version | Source
Extension.value[x] | Base | preferred | Periods of Life Value Set | 📦1.3.0 | 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()`