HL7 Terminology (THO)
6.5.0 - Continuous Process Integration (ci build) International flag

HL7 Terminology (THO), published by HL7 International - Vocabulary Work Group. This guide is not an authorized publication; it is the continuous build for version 6.5.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/UTG/ and changes regularly. See the Directory of published versions

Unified Code Systems

Here may be found those code systems defined and maintained by HL7 whose content is shared the same way across all HL7 product lines, or which has been unified across the product lines. The code system content on this page is intended to be used across all of the HL7 product families without family-specific differences. Also included here are code systems with content used internally in the infrastructure of the HL7 Terminology mainenance and release process.

Identity Name Version Status Content Owner Copyright Date Description
conceptdomains Concept Domains 3.0.0 active complete HL7 CC0 2025-09-06 Concept Domains - includes both v2 abd v3 concept domains
hl7-work-group HL7Workgroup 8.0.0 active complete HL7 THO 2024-08-19 An HL7 administrative unit that owns artifacts in the FHIR specification.
hl7TermMaintInfra HL7 Terminology Maintenance Infrastructure Vocabulary 3.0.0 active complete HL7 THO 2018-12-15 Codes that may have been strings or other types of data in pre-existing tooling for V3 and V2 termi…
utg-concept-propert… UTG Specific Concept Properties 3.0.0 draft complete HL7 THO 2025-09-06 A set of concept properties used by UTG to maintain legacy terminology distribution systems
v3-hl7Realm HL7Realm 3.0.0 active complete HL7 THO 2019-03-20 Description: Coded concepts representing Binding Realms (used for Context Binding of terminolog…

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