HL7 Terminology (THO)
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This page is part of the HL7 Terminology (v5.5.0: Release) based on FHIR (HL7® FHIR® Standard) R4. This is the current published version in its permanent home (it will always be available at this URL). For a full list of available versions, see the Directory of published versions

ValueSet: CQL Access Modifier

Official URL: http://terminology.hl7.org/ValueSet/cql-access-modifier Version: 1.0.0
Draft as of 2024-02-16 Responsible: Health Level Seven International Computable Name: CqlAccessModifier

Copyright/Legal: This material derives from the HL7 Terminology THO. THO is copyright ©1989+ Health Level Seven International and is made available under the CC0 designation. For more licensing information see: https://terminology.hl7.org/license

Access modifiers defined by the Clinical Quality Language (CQL) specification in the Access Modifiers topic.


This value set is not used here; it may be used elsewhere (e.g. specifications and/or implementations that use this content)

Logical Definition (CLD)



Expansion based on codesystem CQL Access Modifier v1.0.0 (CodeSystem)

This value set contains 2 concepts.


The component is public, meaning it can be referenced from any CQL Library that references the library in which the component is defined.


The component is private, meaning it can only be referenced within the library in which the declaration is defined.

Explanation of the columns that may appear on this page:

Level A few code lists that FHIR defines are hierarchical - each code is assigned a level. In this scheme, some codes are under other codes, and imply that the code they are under also applies
System 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)
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


2024-03-01createBryn RhodesCDSAdd CQL Access Level Codes; up-522