EHDS openEHR data exchange
0.1.0 - ci-build

EHDS openEHR data exchange, published by Ian. This guide is not an authorized publication; it is the continuous build for version 0.1.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/freshehr/EHDS-openEHR-FHIR-IG/ and changes regularly. See the Directory of published versions

Logical Model: Cluster

Official URL: https://ianbennett.github.io/ExampleIG_Ian/StructureDefinition/Cluster Version: 0.1.0
Draft as of 2026-03-25 Computable Name: Cluster

Original Source: specifications.openehr.org

Usages:

You can also check for usages in the FHIR IG Statistics

Formal Views of Profile Content

Description of Profiles, Differentials, Snapshots and how the different presentations work.

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Cluster C 0..* CLUSTER Cluster

Elements defined in Ancestors:name, archetype_node_id, uid, links, archetype_details, feeder_audit, items
Constraints: Links_valid, Archetyped_valid, Archetype_node_id_valid
... name 1..1 DV_TEXT Runtime name of this fragment, used to build runtime paths.
... archetype_node_id 1..1 string Design-time archetype identifier of this node taken from its generating archetype; used to build archetype paths.
... uid 0..1 UID_BASED_ID Optional globally unique object identifier for root points of archetyped structures.
... archetype_details 0..1 ARCHETYPED Details of archetyping used on this node.
... feeder_audit 0..1 FEEDER_AUDIT Audit trail from non-openEHR system of original commit of information forming the content of this node, or from a conversion gateway which has synthesised this node.
... items 1..* ITEM Ordered list of items - `CLUSTER` or `ELEMENT` objects - under this `CLUSTER`.

doco Documentation for this format

Constraints

Id Grade Path(s) Description Expression
Archetype_node_id_valid error Cluster Archetype node id valid must not be empty archetype_node_id.empty().not()
Archetyped_valid error Cluster Archetyped valid must satisfy exclusive conditions is_archetype_root() xor archetype_details .empty()
Links_valid error Cluster Links valid must be present links.exists() implies links.empty().not()

This structure is derived from CLUSTER

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Cluster 0..* CLUSTER Cluster

Elements defined in Ancestors:name, archetype_node_id, uid, links, archetype_details, feeder_audit, items

doco Documentation for this format
NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Cluster C 0..* CLUSTER Cluster

Elements defined in Ancestors:name, archetype_node_id, uid, links, archetype_details, feeder_audit, items
Constraints: Links_valid, Archetyped_valid, Archetype_node_id_valid
... name 1..1 DV_TEXT Runtime name of this fragment, used to build runtime paths.
... archetype_node_id 1..1 string Design-time archetype identifier of this node taken from its generating archetype; used to build archetype paths.
... uid 0..1 UID_BASED_ID Optional globally unique object identifier for root points of archetyped structures.
... archetype_details 0..1 ARCHETYPED Details of archetyping used on this node.
... feeder_audit 0..1 FEEDER_AUDIT Audit trail from non-openEHR system of original commit of information forming the content of this node, or from a conversion gateway which has synthesised this node.
... items 1..* ITEM Ordered list of items - `CLUSTER` or `ELEMENT` objects - under this `CLUSTER`.

doco Documentation for this format

Constraints

Id Grade Path(s) Description Expression
Archetype_node_id_valid error Cluster Archetype node id valid must not be empty archetype_node_id.empty().not()
Archetyped_valid error Cluster Archetyped valid must satisfy exclusive conditions is_archetype_root() xor archetype_details .empty()
Links_valid error Cluster Links valid must be present links.exists() implies links.empty().not()

This structure is derived from CLUSTER

Summary

Key Elements View

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Cluster C 0..* CLUSTER Cluster

Elements defined in Ancestors:name, archetype_node_id, uid, links, archetype_details, feeder_audit, items
Constraints: Links_valid, Archetyped_valid, Archetype_node_id_valid
... name 1..1 DV_TEXT Runtime name of this fragment, used to build runtime paths.
... archetype_node_id 1..1 string Design-time archetype identifier of this node taken from its generating archetype; used to build archetype paths.
... uid 0..1 UID_BASED_ID Optional globally unique object identifier for root points of archetyped structures.
... archetype_details 0..1 ARCHETYPED Details of archetyping used on this node.
... feeder_audit 0..1 FEEDER_AUDIT Audit trail from non-openEHR system of original commit of information forming the content of this node, or from a conversion gateway which has synthesised this node.
... items 1..* ITEM Ordered list of items - `CLUSTER` or `ELEMENT` objects - under this `CLUSTER`.

doco Documentation for this format

Constraints

Id Grade Path(s) Description Expression
Archetype_node_id_valid error Cluster Archetype node id valid must not be empty archetype_node_id.empty().not()
Archetyped_valid error Cluster Archetyped valid must satisfy exclusive conditions is_archetype_root() xor archetype_details .empty()
Links_valid error Cluster Links valid must be present links.exists() implies links.empty().not()

Differential View

This structure is derived from CLUSTER

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Cluster 0..* CLUSTER Cluster

Elements defined in Ancestors:name, archetype_node_id, uid, links, archetype_details, feeder_audit, items

doco Documentation for this format

Snapshot View

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Cluster C 0..* CLUSTER Cluster

Elements defined in Ancestors:name, archetype_node_id, uid, links, archetype_details, feeder_audit, items
Constraints: Links_valid, Archetyped_valid, Archetype_node_id_valid
... name 1..1 DV_TEXT Runtime name of this fragment, used to build runtime paths.
... archetype_node_id 1..1 string Design-time archetype identifier of this node taken from its generating archetype; used to build archetype paths.
... uid 0..1 UID_BASED_ID Optional globally unique object identifier for root points of archetyped structures.
... archetype_details 0..1 ARCHETYPED Details of archetyping used on this node.
... feeder_audit 0..1 FEEDER_AUDIT Audit trail from non-openEHR system of original commit of information forming the content of this node, or from a conversion gateway which has synthesised this node.
... items 1..* ITEM Ordered list of items - `CLUSTER` or `ELEMENT` objects - under this `CLUSTER`.

doco Documentation for this format

Constraints

Id Grade Path(s) Description Expression
Archetype_node_id_valid error Cluster Archetype node id valid must not be empty archetype_node_id.empty().not()
Archetyped_valid error Cluster Archetyped valid must satisfy exclusive conditions is_archetype_root() xor archetype_details .empty()
Links_valid error Cluster Links valid must be present links.exists() implies links.empty().not()

This structure is derived from CLUSTER

Summary

 

Other representations of profile: CSV, Excel