Specifications

RM Discussions on the Reference Model (RM) specifications, including EHR model, Demographics, data types. AQL For discussions on the openEHR Archetype Query Language (AQL) specification. Please FORMAT your queries as MULTI-LINE! Entity/demographics Discussions about openEHR Demographics and Entity models and more generally MPIs & similar. Terminology Discussions on terminology use / interface / bindings in openEHR. Task Planning/GDL Use this category for discussing the Task Planning and related specifications, as well as the Guideline Definition Language (GDL). ITS Discussions on any of the Implementation Technology Specifications, i.e. derivatives from the abstract specs, including REST APIs, XSD, JSON, and HL7 FHIR interfaces. ADL Discussions on the openEHR ‘AM’ component, i.e. any of the Archetype or Template specifications. SM For discussions of the openEHR Service Model (SM). BMM/Expressions Discussions on BMM and EL specifications.

Topic	Replies	Views	Activity
About the Specifications category Specifications	0	2347	26 October 2019
Can a VERSION belong to multiple VERSIONED_OBJECT containers RM	17	53	6 May 2025
How to record no change in a parameter (height or weight for example)? Specifications	1	7	6 May 2025
AQL issue with Same cluster used in multiple archetypes in the same template in version 2.0 AQL ehrbase , aql , archetype , template	3	10	6 May 2025
Natural language based FLAT format and long container/element names ITS archetype	1	9	6 May 2025
Attestation 'Request' RM	8	826	24 April 2025
AOM2 plans on expression language ADL	5	27	21 April 2025
Terminology_id name list Specifications	40	176	15 April 2025
JSON Schema and OpenAPI: current state, and how to progress ITS rest-apis , json	42	4077	8 April 2025
Archetype_ID doesn't have namespace RM	3	42	1 April 2025
Demographic model improvements Entity/demographics	47	2373	19 March 2025
Removal of C_ATTRIBUTE existence matches {0} in OPT 2 generation ADL opt	6	52	26 March 2025
Referring to the enclosing composition from ACTION.instruction_details? Specifications	14	212	26 March 2025
Demographics api ITS demographics , rest-apis	1	24	14 March 2025
Generating UML diagrams from specifications Specifications	20	1729	11 March 2025
Determine template version used from a composition RM	16	525	27 February 2025
PATCH for persistent compositions Specifications	11	81	19 February 2025
Markdown in archetype definitions? Specifications archetype	22	125	14 February 2025
openEHR system_id syntax in specification ? ...and in practice (survey)? Specifications	13	157	21 January 2025
Entity IM usage of CLUSTER instead ITEM_STRUCTURE Entity/demographics	2	20	20 January 2025
BMM as JSON BMM/Expressions	4	58	19 January 2025
Directory folder in xml format ITS rest-apis	15	110	18 January 2025
Annotations in ADL1.4->2 ADL archetype , template	2	28	13 January 2025
OPT 1.4 Specification ADL template	26	1840	21 December 2024
Agreeing on optional user interface hints in templates Specifications ux , forms	51	2299	6 December 2024
Coding element and event names Specifications template	56	984	4 December 2024
Usage of Aliases in WHERE clause AQL	14	3233	2 December 2024
Custom terminology for 'mode' in participation class Terminology	4	51	2 December 2024
Missing attestation headers for the REST API Specifications rest-apis	0	18	22 November 2024
EHRs with different system_id in the same server? RM	39	949	7 November 2024