US Public Health Profiles Library, published by HL7 International / Public Health. This guide is not an authorized publication; it is the continuous build for version 2.0.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/fhir-us-ph-library/ and changes regularly. See the Directory of published versions
| Official URL: http://hl7.org/fhir/us/ph-library/StructureDefinition/us-ph-relateddata-extension | Version: 2.0.0 | |||
| Standards status: Trial-use Active as of 2025-10-23 | Maturity Level: 3 | Computable Name: USPublicHealthRelatedDataExtension | ||
| Other Identifiers: OID:2.16.840.1.113883.4.642.40.58.42.49 | ||||
The Extension profile allows indicating that an input to a parent action is an input to specific child actions. It also allows the output of one action to be identified as the input to a different action.
Context of Use
This extension may be used on the following element(s)
PlanDefinition.action.input
PlanDefinition.action.action.input
PlanDefinition.action.output
PlanDefinition.action.action.output
Usage info
Usages:
You can also check for usages in the FHIR IG Statistics
Description Differentials, Snapshots, and other representations.
| Name | Flags | Card. | Type | Description & Constraints Filter:   |
|---|---|---|---|---|
  Extension |
0..1 | Extension(4.0.1) | US Public Health Related Data Extension | |
  extension |
0..0 | |||
| url |
1..1 | uri | "http://hl7.org/fhir/us/ph-library/StructureDefinition/us-ph-relateddata-extension" | |
  value[x] |
1..1 | string | The ID of the input or output element that provides data to this input or results as output. | |
| Documentation for this format | ||||
| Name | Flags | Card. | Type | Description & Constraints Filter: |
|---|---|---|---|---|
 Extension |
0..1 | Extension(4.0.1) | US Public Health Related Data Extension Constraints: ext-1 | |
| id |
0..1 | string | Unique id for inter-element referencing | |
| extension |
0..0 | |||
| url |
1..1 | uri | "http://hl7.org/fhir/us/ph-library/StructureDefinition/us-ph-relateddata-extension" | |
| value[x] |
1..1 | string | The ID of the input or output element that provides data to this input or results as output. | |
| Documentation for this format | ||||
| Id | Grade | Path(s) | Description | Expression |
| ele-1 | error | Extension, Extension.value[x] | All FHIR elements must have a @value or children |
hasValue() or (children().count() > id.count())
|
| ext-1 | error | Extension | Must have either extensions or value[x], not both |
extension.exists() != value.exists()
|
Summary
Simple Extension with the type string: The Extension profile allows indicating that an input to a parent action is an input to specific child actions. It also allows the output of one action to be identified as the input to a different action.
Maturity: 3
Differential ViewDifferential View
| Name | Flags | Card. | Type | Description & Constraints Filter: |
|---|---|---|---|---|
| Extension |
0..1 | Extension(4.0.1) | US Public Health Related Data Extension | |
| extension |
0..0 | |||
| url |
1..1 | uri | "http://hl7.org/fhir/us/ph-library/StructureDefinition/us-ph-relateddata-extension" | |
| value[x] |
1..1 | string | The ID of the input or output element that provides data to this input or results as output. | |
| Documentation for this format | ||||
Snapshot View
| Name | Flags | Card. | Type | Description & Constraints Filter: |
|---|---|---|---|---|
| Extension |
0..1 | Extension(4.0.1) | US Public Health Related Data Extension Constraints: ext-1 | |
| id |
0..1 | string | Unique id for inter-element referencing | |
| extension |
0..0 | |||
| url |
1..1 | uri | "http://hl7.org/fhir/us/ph-library/StructureDefinition/us-ph-relateddata-extension" | |
| value[x] |
1..1 | string | The ID of the input or output element that provides data to this input or results as output. | |
| Documentation for this format | ||||
| Id | Grade | Path(s) | Description | Expression |
| ele-1 | error | Extension, Extension.value[x] | All FHIR elements must have a @value or children |
hasValue() or (children().count() > id.count())
|
| ext-1 | error | Extension | Must have either extensions or value[x], not both |
extension.exists() != value.exists()
|
Summary
Simple Extension with the type string: The Extension profile allows indicating that an input to a parent action is an input to specific child actions. It also allows the output of one action to be identified as the input to a different action.
Maturity: 3
Other representations of profile: CSV, Excel, Schematron
IG © 2025+ HL7 International / Public Health.
Package hl7.fhir.us.ph-library#2.0.0 based on FHIR 4.0.1.
Generated 2025-10-23
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