{
  "resourceType" : "CodeSystem",
  "id" : "variable-role",
  "meta" : {
    "lastUpdated" : "2022-05-28T13:47:40.239+11:00",
    "profile" : ["http://hl7.org/fhir/StructureDefinition/shareablecodesystem"]
  },
  "text" : {
    "status" : "generated",
    "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\">\n      \n      <p>This code system http://terminology.hl7.org/CodeSystem/variable-role defines the following codes:</p>\n      \n      <table class=\"codes\">\n        \n        <tr>\n          \n          <td style=\"white-space:nowrap\">\n            \n            <b>Code</b>\n          \n          </td>\n          \n          <td>\n            \n            <b>Display</b>\n          \n          </td>\n          \n          <td>\n            \n            <b>Definition</b>\n          \n          </td>\n        \n        </tr>\n        \n        <tr>\n          \n          <td style=\"white-space:nowrap\">population\n            \n            <a name=\"variable-role-population\"> </a>\n          \n          </td>\n          \n          <td>population</td>\n          \n          <td>variable represents a population.</td>\n        \n        </tr>\n        \n        <tr>\n          \n          <td style=\"white-space:nowrap\">subpopulation\n            \n            <a name=\"variable-role-subpopulation\"> </a>\n          \n          </td>\n          \n          <td>subpopulation</td>\n          \n          <td>variable represents a subpopulation.</td>\n        \n        </tr>\n        \n        <tr>\n          \n          <td style=\"white-space:nowrap\">exposure\n            \n            <a name=\"variable-role-exposure\"> </a>\n          \n          </td>\n          \n          <td>exposure</td>\n          \n          <td>variable represents an exposure.</td>\n        \n        </tr>\n        \n        <tr>\n          \n          <td style=\"white-space:nowrap\">referenceExposure\n            \n            <a name=\"variable-role-referenceExposure\"> </a>\n          \n          </td>\n          \n          <td>reference exposure</td>\n          \n          <td>variable represents a reference exposure.</td>\n        \n        </tr>\n        \n        <tr>\n          \n          <td style=\"white-space:nowrap\">measuredVariable\n            \n            <a name=\"variable-role-measuredVariable\"> </a>\n          \n          </td>\n          \n          <td>measured variable</td>\n          \n          <td>variable represents a measured variable.</td>\n        \n        </tr>\n        \n        <tr>\n          \n          <td style=\"white-space:nowrap\">confounder\n            \n            <a name=\"variable-role-confounder\"> </a>\n          \n          </td>\n          \n          <td>confounder</td>\n          \n          <td>variable represents a confounder.</td>\n        \n        </tr>\n      \n      </table>\n    \n    </div>"
  },
  "extension" : [{
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
    "valueCode" : "cds"
  },
  {
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
    "valueCode" : "trial-use"
  },
  {
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
    "valueInteger" : 1
  }],
  "url" : "http://terminology.hl7.org/CodeSystem/variable-role",
  "identifier" : [{
    "system" : "urn:ietf:rfc:3986",
    "value" : "urn:oid:2.16.840.1.113883.4.642.1.1457"
  }],
  "version" : "4.3.0",
  "name" : "EvidenceVariableRole",
  "title" : "EvidenceVariableRole",
  "status" : "draft",
  "experimental" : false,
  "date" : "2020-12-28T16:55:11+11:00",
  "publisher" : "HL7 (FHIR Project)",
  "contact" : [{
    "telecom" : [{
      "system" : "url",
      "value" : "http://hl7.org/fhir"
    },
    {
      "system" : "email",
      "value" : "fhir@lists.hl7.org"
    }]
  }],
  "description" : "The role that the assertion variable plays.",
  "caseSensitive" : true,
  "valueSet" : "http://hl7.org/fhir/ValueSet/variable-role",
  "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."
  }]
}