{"caseSensitive":true,"concept":[{"code":"population","definition":"The group from which the observations were obtained.","display":"Population"},{"code":"exposure","definition":"An independant variable of primary interest.","display":"Exposure"},{"code":"outcome","definition":"A dependent variable.","display":"Outcome"},{"code":"covariate","definition":"A variable that influences the exposure or outcome.","display":"Covariate"}],"contact":[{"telecom":[{"system":"url","value":"http://hl7.org/fhir"},{"system":"email","value":"fhir@lists.hl7.org"}]}],"content":"complete","date":"2023-11-08T16:55:11+11:00","description":"The role that the variable plays.","experimental":false,"extension":[{"url":"http://hl7.org/fhir/StructureDefinition/structuredefinition-wg","valueCode":"cds"},{"url":"http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status","valueCode":"normative"},{"url":"http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm","valueInteger":1}],"id":"variable-role","identifier":[{"system":"urn:ietf:rfc:3986","value":"urn:oid:2.16.840.1.113883.4.642.4.2136"}],"jurisdiction":[{"coding":[{"code":"001","display":"World","system":"http://unstats.un.org/unsd/methods/m49/m49.htm"}]}],"meta":{"lastUpdated":"2026-03-16T22:59:53.445+00:00"},"name":"Variable Role","publisher":"HL7 (FHIR Project)","resourceType":"CodeSystem","status":"active","text":{"div":"<div xmlns=\"http://www.w3.org/1999/xhtml\"><p class=\"res-header-id\"><b>Generated Narrative: CodeSystem variable-role</b></p><a name=\"variable-role\"> </a><a name=\"hcvariable-role\"> </a><p>This case-sensitive code system <code>http://hl7.org/fhir/variable-role</code> defines the following codes:</p><table class=\"codes\"><tr><td style=\"white-space:nowrap\"><b>Code</b></td><td><b>Display</b></td><td><b>Definition</b></td></tr><tr><td style=\"white-space:nowrap\">population<a name=\"variable-role-population\"> </a></td><td>Population</td><td>The group from which the observations were obtained.</td></tr><tr><td style=\"white-space:nowrap\">exposure<a name=\"variable-role-exposure\"> </a></td><td>Exposure</td><td>An independant variable of primary interest.</td></tr><tr><td style=\"white-space:nowrap\">outcome<a name=\"variable-role-outcome\"> </a></td><td>Outcome</td><td>A dependent variable.</td></tr><tr><td style=\"white-space:nowrap\">covariate<a name=\"variable-role-covariate\"> </a></td><td>Covariate</td><td>A variable that influences the exposure or outcome.</td></tr></table></div>","status":"generated"},"title":"VariableRole","url":"http://hl7.org/fhir/variable-role","valueSet":"http://hl7.org/fhir/ValueSet/variable-role","version":"6.0.0-ballot4"}