Release 4 5 Preview #3
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4.3.14.16 4.3.16.149 Code System http://hl7.org/fhir/questionnaire-enable-operator

FHIR Infrastructure Work Group   Maturity Level : 3 Trial 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: 4.0.1 4.5.0
Name: QuestionnaireItemOperator
Title: QuestionnaireItemOperator
Definition:

The criteria by which a question is enabled.

Committee: FHIR Infrastructure Work Group
OID: 2.16.840.1.113883.4.642.4.1006 2.16.840.1.113883.4.642.1.1006 (for OID based terminology systems)
Source Resource XML / JSON

This Code system is used in the following value sets:

  • ValueSet: QuestionnaireItemOperator (The criteria by which a question is enabled.)
  • ValueSet: QuestionnaireItemOperator (The criteria by which a question is enabled.)
4.3.14.16.2 QuestionnaireItemOperator

The criteria by which a question is enabled. This code system http://hl7.org/fhir/questionnaire-enable-operator defines the following codes:

Code Display Definition
exists Exists True if whether an answer exists is equal to the enableWhen answer (which must be a boolean).
= Equals True if whether at least one answer has a value that is equal to the enableWhen answer.
!= Not Equals True if whether at least no answer has a value that is equal to the enableWhen answer.
> Greater Than True if whether at least no answer has a value that is greater than the enableWhen answer.
< Less Than True if whether at least no answer has a value that is less than the enableWhen answer.
>= Greater or Equals True if whether at least no answer has a value that is greater or equal to the enableWhen answer.
<= Less or Equals True 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:

Level A few code lists that FHIR defines are hierarchical - each code is assigned a level. 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