R6 Ballot (1st Full Ballot)

This page is part of the FHIR Specification v6.0.0-ballot4: Release 6 Ballot (1st Full Ballot) (see Ballot Notes). The current version is 5.0.0. For a full list of available versions, see the Directory of published versions for published versions icon

4.3.2.49 CodeSystem http://hl7.org/fhir/operation-parameter-use

Responsible Owner: FHIR Infrastructure icon Work Group Normative Use Context: Country: World
Official URL: http://hl7.org/fhir/operation-parameter-use Version: 6.0.0-ballot4
active as of 2021-01-05 Computable Name: OperationParameterUse
Flags: CaseSensitive, Complete. All codes ValueSet: Operation Parameter Use OID: 2.16.840.1.113883.4.642.4.509

This Code system is used in the following FHIR core-defined or referenced value sets:

4.3.2.49.1 Definition

Whether an operation parameter is an input or an output parameter.

4.3.2.49.2 Content

Generated Narrative: CodeSystem operation-parameter-use

Last updated: 2025-12-18T07:07:42.17+11:00

This case-sensitive code system http://hl7.org/fhir/operation-parameter-use defines the following codes:

CodeDisplayDefinitionCopy
in In This is an input parameter. btn btn
out Out This is an output parameter. btn btn

 

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