Release 4B Snapshot #1

This page is part of the FHIR Specification v4.3.0-snapshot1: R4B Snapshot to support the Jan 2022 Connectathon. About the R4B version of FHIR. The current officially released version is 4.3.0. For a full list of available versions, see the Directory of published versions

4.3.14.458 Code System http://terminology.hl7.org/CodeSystem/variable-role

Clinical Decision Support Work Group Maturity Level: 1Trial Use Use Context: Any

This is a code system defined by the FHIR project.

Summary

Defining URL:http://terminology.hl7.org/CodeSystem/variable-role
Version:4.3.0-snapshot1
Name:EvidenceVariableRole
Title:EvidenceVariableRole
Definition:

The role that the assertion variable plays.

Committee:Clinical Decision Support Work Group
OID:2.16.840.1.113883.4.642.1.1457 (for OID based terminology systems)
Source ResourceXML / JSON

This Code system is used in the following value sets:

4.3.14.458.1 Content

This code system http://terminology.hl7.org/CodeSystem/variable-role defines the following codes:

Code Display Definition
population population variable represents a population.
subpopulation subpopulation variable represents a subpopulation.
exposure exposure variable represents an exposure.
referenceExposure reference exposure variable represents a reference exposure.
measuredVariable measured variable variable represents a measured variable.
confounder confounder variable represents a confounder.

 

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