{
  "resourceType" : "CodeSystem",
  "id" : "variable-role",
  "text" : {
    "status" : "generated",
    "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\">\n      \n      \n            <p>This code system http://terminology.hl7.org/CodeSystem/variable-role defines the following codes:</p>\n      \n      \n            <table class=\"codes\">\n        \n        \n              <tr>\n          \n          \n                <td style=\"white-space:nowrap\">\n            \n            \n                  <b>Code</b>\n          \n          \n                </td>\n          \n          \n                <td>\n            \n            \n                  <b>Display</b>\n          \n          \n                </td>\n          \n          \n                <td>\n            \n            \n                  <b>Definition</b>\n          \n          \n                </td>\n        \n        \n              </tr>\n        \n        \n              <tr>\n          \n          \n                <td style=\"white-space:nowrap\">population\n            \n            \n                  <a name=\"variable-role-population\"> </a>\n          \n          \n                </td>\n          \n          \n                <td>population</td>\n          \n          \n                <td>variable represents a population.</td>\n        \n        \n              </tr>\n        \n        \n              <tr>\n          \n          \n                <td style=\"white-space:nowrap\">subpopulation\n            \n            \n                  <a name=\"variable-role-subpopulation\"> </a>\n          \n          \n                </td>\n          \n          \n                <td>subpopulation</td>\n          \n          \n                <td>variable represents a subpopulation.</td>\n        \n        \n              </tr>\n        \n        \n              <tr>\n          \n          \n                <td style=\"white-space:nowrap\">exposure\n            \n            \n                  <a name=\"variable-role-exposure\"> </a>\n          \n          \n                </td>\n          \n          \n                <td>exposure</td>\n          \n          \n                <td>variable represents an exposure.</td>\n        \n        \n              </tr>\n        \n        \n              <tr>\n          \n          \n                <td style=\"white-space:nowrap\">referenceExposure\n            \n            \n                  <a name=\"variable-role-referenceExposure\"> </a>\n          \n          \n                </td>\n          \n          \n                <td>reference exposure</td>\n          \n          \n                <td>variable represents a reference exposure.</td>\n        \n        \n              </tr>\n        \n        \n              <tr>\n          \n          \n                <td style=\"white-space:nowrap\">measuredVariable\n            \n            \n                  <a name=\"variable-role-measuredVariable\"> </a>\n          \n          \n                </td>\n          \n          \n                <td>measured variable</td>\n          \n          \n                <td>variable represents a measured variable.</td>\n        \n        \n              </tr>\n        \n        \n              <tr>\n          \n          \n                <td style=\"white-space:nowrap\">confounder\n            \n            \n                  <a name=\"variable-role-confounder\"> </a>\n          \n          \n                </td>\n          \n          \n                <td>confounder</td>\n          \n          \n                <td>variable represents a confounder.</td>\n        \n        \n              </tr>\n      \n      \n            </table>\n    \n    \n          </div>"
  },
  "extension" : [{
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
    "valueCode" : "trial-use"
  },
  {
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
    "valueInteger" : 1
  },
  {
    "extension" : [{
      "url" : "packageId",
      "valueId" : "hl7.fhir.uv.xver-r4b.r5"
    },
    {
      "url" : "version",
      "valueString" : "0.1.0"
    },
    {
      "url" : "uri",
      "valueUri" : "http://hl7.org/fhir/uv/xver/ImplementationGuide/hl7.fhir.uv.xver-r4b.r5"
    }],
    "url" : "http://hl7.org/fhir/StructureDefinition/package-source"
  },
  {
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
    "valueCode" : "cds"
  }],
  "url" : "http://terminology.hl7.org/CodeSystem/variable-role",
  "version" : "4.3.0",
  "name" : "EvidenceVariableRole",
  "title" : "EvidenceVariableRole",
  "status" : "draft",
  "experimental" : false,
  "date" : "2020-12-27T23:55:11-06:00",
  "publisher" : "Clinical Decision Support",
  "contact" : [{
    "name" : "Clinical Decision Support",
    "telecom" : [{
      "system" : "url",
      "value" : "http://www.hl7.org/Special/committees/dss"
    }]
  }],
  "description" : "The role that the assertion variable plays.",
  "jurisdiction" : [{
    "coding" : [{
      "system" : "http://unstats.un.org/unsd/methods/m49/m49.htm",
      "code" : "001",
      "display" : "World"
    }]
  }],
  "caseSensitive" : true,
  "valueSet" : "http://hl7.org/fhir/ValueSet/variable-role|5.0.0",
  "content" : "complete",
  "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."
  }]
}