DK EHMI Endpoint Register (EER) - Configurations
1.0.0-draft - ci-build

DK EHMI Endpoint Register (EER) - Configurations, published by MedCom. This guide is not an authorized publication; it is the continuous build for version 1.0.0-draft built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/medcomdk/dk-ehmi-eer-configurations/ and changes regularly. See the Directory of published versions

## Extension: EER System Extension - AP

Official URL: http://medcomehmi.dk/ig/eer-config/StructureDefinition/eer-dk-network-supply-system-extension | Version: 1.0.0-draft
Draft as of 2025-11-13 | Computable Name: EerCoreNetworkSupplySystemExtension

Reference to a Device that is used to specify one or more systems which an Endpoint uses

Context of Use

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

- Element ID: `Element`

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.

- 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 | EER System Extension - AP
extension |  | 0..0 |  | Extension
url |  | 1..1 | uri | "http://medcomehmi.dk/ig/eer-config/StructureDefinition/eer-dk-network-supply-system-extension"
value[x] |  | 0..1 | Reference(EER Device) | Value of extension
Documentation for this format

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Extension |  | 0..* | Extension | EER System Extension - AP
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://medcomehmi.dk/ig/eer-config/StructureDefinition/eer-dk-network-supply-system-extension"
value[x] |  | 0..1 | Reference(EER Device) | Value of extension
Documentation for this format

This structure is derived from Extension

Summary

Simple Extension with the type Reference: Reference to a Device that is used to specify one or more systems which an Endpoint uses

Differential View

This structure is derived from Extension

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Extension |  | 0..* | Extension | EER System Extension - AP
extension |  | 0..0 |  | Extension
url |  | 1..1 | uri | "http://medcomehmi.dk/ig/eer-config/StructureDefinition/eer-dk-network-supply-system-extension"
value[x] |  | 0..1 | Reference(EER Device) | Value of extension
Documentation for this format

Snapshot View

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Extension |  | 0..* | Extension | EER System Extension - AP
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://medcomehmi.dk/ig/eer-config/StructureDefinition/eer-dk-network-supply-system-extension"
value[x] |  | 0..1 | Reference(EER Device) | Value of extension
Documentation for this format

This structure is derived from Extension

Summary

Simple Extension with the type Reference: Reference to a Device that is used to specify one or more systems which an Endpoint uses

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()`