Release 5 Preview #3

This page is part of the FHIR Specification (v4.5.0: R5 Preview #3). The current version which supercedes this version is 5.0.0. For a full list of available versions, see the Directory of published versions . Page versions: R5 R4B R4

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: 4.5.0

Name: QuestionnaireItemOperator

Title: QuestionnaireItemOperator

Definition:

The criteria by which a question is enabled.

Committee: FHIR Infrastructure Work Group

OID: 2.16.840.1.113883.4.642.1.1006 (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.)

4.3.16.149.1 Content

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