PanCareSurPass Project HL7 FHIR Implementation Guide
1.0.0 - release 150

PanCareSurPass Project HL7 FHIR Implementation Guide, published by PanCareSurPass Project. This guide is not an authorized publication; it is the continuous build for version 1.0.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/hl7-eu/pcsp/ and changes regularly. See the Directory of published versions

## Extension: Resource related information

Official URL: http://hl7.eu/fhir/ig/pcsp/StructureDefinition/resource-relatedInfo | Version: 1.0.0
Active as of 2026-01-16 | Computable Name: ResourceRelatedInfo

This extension provides a means to link the source resource to any target related information. This extension shall not be used when other more specific elements or standard extensions apply. E.g. Observation.hasMember.

Context of Use

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

- Element ID: `Element`

Usage info

Usages:

- Use this Extension: MedicationAdministration: Chemotherapy, Procedure: Radiotherapy and Procedure: Radiotherapy Boost
- Examples for this Extension: Bundle/BundleHulafe, MedicationAdministration/ChemoHulafe-1-Ciclofosfamide, MedicationAdministration/ChemoHulafe-1-Citarabina, MedicationAdministration/ChemoHulafe-1-Metotrexato... Show 2 more, MedicationAdministration/ChemoHulafe-1-Vincristina and Procedure/ProcedureRadio-1

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 | Resource related information
extension |  | 0..0 |  | Extension
url |  | 1..1 | uri | "http://hl7.eu/fhir/ig/pcsp/StructureDefinition/resource-relatedInfo"
value[x] |  | 0..1 | Reference(Resource) | Value of extension
Documentation for this format

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Extension |  | 0..* | Extension | Resource related information
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://hl7.eu/fhir/ig/pcsp/StructureDefinition/resource-relatedInfo"
value[x] |  | 0..1 | Reference(Resource) | Value of extension
Documentation for this format

This structure is derived from Extension

Summary

Simple Extension with the type Reference: This extension provides a means to link the source resource to any target related information. This extension shall not be used when other more specific elements or standard extensions apply. E.g. Observation.hasMember.

Differential View

This structure is derived from Extension

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Extension |  | 0..* | Extension | Resource related information
extension |  | 0..0 |  | Extension
url |  | 1..1 | uri | "http://hl7.eu/fhir/ig/pcsp/StructureDefinition/resource-relatedInfo"
value[x] |  | 0..1 | Reference(Resource) | Value of extension
Documentation for this format

Snapshot View

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Extension |  | 0..* | Extension | Resource related information
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://hl7.eu/fhir/ig/pcsp/StructureDefinition/resource-relatedInfo"
value[x] |  | 0..1 | Reference(Resource) | Value of extension
Documentation for this format

This structure is derived from Extension

Summary

Simple Extension with the type Reference: This extension provides a means to link the source resource to any target related information. This extension shall not be used when other more specific elements or standard extensions apply. E.g. Observation.hasMember.

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()`