Release 5

This page is part of the FHIR Specification (v5.0.0: R5 - STU). This is the current published version. For a full list of available versions, see the Directory of published versions . Page versions: R5 R4B R4

4.3.2.174 CodeSystem http://hl7.org/fhir/questionnaire-enable-operator

FHIR Infrastructure icon Work Group Maturity Level: 3Trial Use Use Context: Country: World
Official URL: http://hl7.org/fhir/questionnaire-enable-operator Version: 5.0.0
active as of 2021-01-05 Computable Name: QuestionnaireItemOperator
Flags: CaseSensitive, Complete. All codes ValueSet: Questionnaire Item Operator OID: 2.16.840.1.113883.4.642.4.1006

This Code system is used in the following value sets:

4.3.2.174.1 Definition

The criteria by which a question is enabled.

4.3.2.174.2 Content

This code system http://hl7.org/fhir/questionnaire-enable-operator defines the following codes:

CodeDisplayDefinitionCopy
exists ExistsTrue if the determination of 'whether an answer exists for the question' is equal to the enableWhen answer (which must be a boolean).btn btn
= EqualsTrue if at least one answer has a value that is equal to the enableWhen answer.btn btn
!= Not EqualsTrue if no answer has a value that is equal to the enableWhen answer.btn btn
> Greater ThanTrue if at least one answer has a value that is greater than the enableWhen answer.btn btn
< Less ThanTrue if at least one answer has a value that is less than the enableWhen answer.btn btn
>= Greater or EqualsTrue if at least one answer has a value that is greater or equal to the enableWhen answer.btn btn
<= Less or EqualsTrue if at least one answer has a value that is less or equal to the enableWhen answer.btn btn

 

See the full registry of code systems defined as part of FHIR.

Explanation of the columns that may appear on this page:

LevelA few code lists that FHIR defines are hierarchical - each code is assigned a level. See Code System for further information.
SourceThe source of the definition of the code (when the value set draws in codes defined elsewhere)
CodeThe code (used as the code in the resource instance). If the code is in italics, this indicates that the code is not selectable ('Abstract')
DisplayThe 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
DefinitionAn explanation of the meaning of the concept
CommentsAdditional notes about how to use the code