This page is part of the Continuous Integration Build of FHIR Specification (v4.0.1: R4 - Mixed Normative and STU ) in it's permanent home (it will always (will be available incorrect/inconsistent at this URL). The current version which supercedes this version is 5.0.0 . For a full list of available versions, see times).
See the Directory of published versions . Page versions: R5 R4B R4 R3

Using Codes Code Systems Value Sets Concept Maps Identifier Systems

4.4.1.255 4.4.1.272 Value Set ValueSet http://hl7.org/fhir/ValueSet/definition-topic

  Maturity Level : 1

Clinical Decision Support Responsible Owner: Terminology Infrastructure Work Group

Draft Informative

Use Context : Any Country: World

This is a value set defined by the FHIR project. Summary

• Defining URL: Narrative http://hl7.org/fhir/ValueSet/definition-topic
• XML Version:
• 4.0.1 JSON
• Name: TTL DefinitionTopic

Committee:

Official URL : Title: http://hl7.org/fhir/ValueSet/definition-topic DefinitionTopic Definition:				High-level categorization of the definition, used for searching, sorting, and filtering. Version : 6.0.0-ballot3
active as of 2020-12-28				Clinical Decision Support Computable Name : DefinitionTopic Work Group
OID: Flags : Immutable				2.16.840.1.113883.4.642.3.794 (for OID based terminology systems) Source Resource XML / JSON : 2.16.840.1.113883.4.642.3.794

This value set is used in the following places:

• CodeSystem: This value set is the designated 'entire code system' value set for DefinitionTopic Resource: EventDefinition.topic (CodeableConcept / Example ) Resource: Measure.topic (CodeableConcept / Example ) Profile: ShareableMeasure: Measure.topic Interface: MetadataResource.topic (CodeableConcept / Example )
• Resource: ResearchDefinition.topic EventDefinition.topic (CodeableConcept / Example )
• Resource: ResearchElementDefinition.topic Measure.topic (CodeableConcept / Example )
• Resource: ActivityDefinition.topic (CodeableConcept / Example )
• Profile: ShareableActivityDefinition: ActivityDefinition.topic (CodeableConcept / Example ) Resource: EffectEvidenceSynthesis.topic ConceptMap.topic (CodeableConcept / Example )
• Resource: EvidenceVariable.topic (CodeableConcept / Example ) Profile: PICOElement: EvidenceVariable.topic ValueSet.topic (CodeableConcept / Example )
• Resource: RiskEvidenceSynthesis.topic CodeSystem.topic (CodeableConcept / Example )
• Resource: Library.topic (CodeableConcept / Example )
• Profile: ShareableLibrary: Library.topic (CodeableConcept / Example ) Profile: CQLLibrary: Library.topic (CodeableConcept / Example ) Resource: Evidence.topic (CodeableConcept / Example ) Profile: Synthesis: Evidence.topic NamingSystem.topic (CodeableConcept / Example )
• Resource: PlanDefinition.topic (CodeableConcept / Example )
• Profile: ShareablePlanDefinition: PlanDefinition.topic (CodeableConcept / Example ) Profile: ComputablePlanDefinition: PlanDefinition.topic Extension: http://hl7.org/fhir/StructureDefinition/artifact-topic: ArtifactTopic (CodeableConcept / Example )
Profile: CDSHooksServicePlanDefinition: PlanDefinition.topic

(CodeableConcept / Example

4.4.1.272.1 Definition )

High-level categorization of the definition, used for searching, sorting, and filtering.

4.4.1.255.1 4.4.1.272.2 Content Logical Definition

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4.4.1.255.2 4.4.1.272.3 Expansion

This expansion generated 01 24 Nov 2019 2025

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See the full registry of value sets defined as part of FHIR.

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Explanation of the columns that may appear on this page:

Lvl	A few code lists that FHIR defines are hierarchical - each code is assigned a level. For value sets, levels are mostly used to organize codes for user convenience, but may follow code system hierarchy - see Code System for further information
Source	The source of the definition of the code (when the value set draws in codes defined elsewhere)
Code	The code (used as the code in the resource instance). If the code is in italics, this indicates that the code is not selectable ('Abstract')
Display	The display (used in the display element of a Coding ). If there is no display, implementers should not simply display the code, but map the concept into their application
Definition	An explanation of the meaning of the concept
Comments	Additional notes about how to use the code