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4.3.14.16 Code System http://hl7.org/fhir/questionnaire-enable-operator

FHIR Infrastructure Work Group Maturity Level: 3Trial Use Use Context: Any

This is a code system defined by the FHIR project.

Summary

Defining URL:http://hl7.org/fhir/questionnaire-enable-operator
Version:4.0.0
Name:QuestionnaireItemOperator
Title:QuestionnaireItemOperator
Definition:

The criteria by which a question is enabled.

Committee:FHIR Infrastructure Work Group
OID:2.16.840.1.113883.4.642.1.1006 (for OID based terminology systems)
Source ResourceXML / JSON

This Code system is used in the following value sets:

The criteria by which a question is enabled.

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

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

 

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