{
  "description": "**Deprecation Information:** This CodeSystem/ValueSet was used in FHIR R5 for a CodeableConcept binding that was changed to a code binding in FHIR R6. The replacement CodeSystem/ValueSet is http://hl7.org/fhir/variable-role and http://hl7.org/fhir/ValueSet/variable-role.",
  "_filename": "CodeSystem-variable-role.json",
  "package_name": "hl7.terminology.r5",
  "date": "2025-10-25T00:00:00+00:00",
  "meta": {
    "lastUpdated": "2024-04-24T00:00:00+00:00"
  },
  "publisher": "Health Level Seven International",
  "content": "complete",
  "name": "EvidenceVariableRole",
  "copyright": "This material derives from the HL7 Terminology (THO). THO is copyright ©1989+ Health Level Seven International and is made available under the CC0 designation. For more licensing information see: https://terminology.hl7.org/license.html",
  "type": null,
  "experimental": "false",
  "resourceType": "CodeSystem",
  "title": "EvidenceVariableRole",
  "package_version": "7.0.0",
  "extension": [ {
    "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
    "valueCode": "cds"
  }, {
    "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
    "valueInteger": 0
  } ],
  "status": "active",
  "id": "ffbaaf56-5beb-4dcf-97c6-38408618ab3d",
  "valueSet": "http://terminology.hl7.org/ValueSet/variable-role",
  "kind": null,
  "url": "http://terminology.hl7.org/CodeSystem/variable-role",
  "identifier": [ {
    "value": "urn:oid:2.16.840.1.113883.4.642.1.1457",
    "system": "urn:ietf:rfc:3986"
  } ],
  "concept": [ {
    "code": "population",
    "display": "population",
    "definition": "variable represents a population."
  }, {
    "code": "subpopulation",
    "display": "subpopulation",
    "definition": "variable represents a subpopulation."
  }, {
    "code": "exposure",
    "display": "exposure",
    "definition": "variable represents an exposure."
  }, {
    "code": "referenceExposure",
    "display": "reference exposure",
    "definition": "variable represents a reference exposure."
  }, {
    "code": "measuredVariable",
    "display": "measured variable",
    "definition": "variable represents a measured variable."
  }, {
    "code": "confounder",
    "display": "confounder",
    "definition": "variable represents a confounder."
  }, {
    "code": "measuredVariableA",
    "display": "measured variable A",
    "definition": "variable represents a first of two measured variables to be used in a measured variable that is a mathematical operation of two measured variables."
  }, {
    "code": "measuredVariableB",
    "display": "measured variable B",
    "definition": "variable represents a second of two measured variables to be used in a measured variable that is a mathematical operation of two measured variables."
  }, {
    "code": "measuredVariableAB",
    "display": "measured variable A to B",
    "definition": "variable represents a result of a mathematical operation of two measured variables."
  } ],
  "caseSensitive": true,
  "version": "2.0.1",
  "contact": [ {
    "telecom": [ {
      "value": "http://hl7.org",
      "system": "url"
    }, {
      "value": "hq@HL7.org",
      "system": "email"
    } ]
  } ]
}