{
  "resourceType" : "CodeSystem",
  "id" : "type-derivation-rule",
  "text" : {
    "status" : "generated",
    "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\">\n      \n      \n            <h2>TypeDerivationRule</h2>\n      \n      \n            <div>\n        \n        \n              <p>How a type relates to its baseDefinition.</p>\n\n      \n      \n            </div>\n      \n      \n            <p>This code system http://hl7.org/fhir/type-derivation-rule 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\">specialization\n            \n            \n                  <a name=\"type-derivation-rule-specialization\"> </a>\n          \n          \n                </td>\n          \n          \n                <td>Specialization</td>\n          \n          \n                <td>This definition defines a new type that adds additional elements to the base type.</td>\n        \n        \n              </tr>\n        \n        \n              <tr>\n          \n          \n                <td style=\"white-space:nowrap\">constraint\n            \n            \n                  <a name=\"type-derivation-rule-constraint\"> </a>\n          \n          \n                </td>\n          \n          \n                <td>Constraint</td>\n          \n          \n                <td>This definition adds additional rules to an existing concrete type.</td>\n        \n        \n              </tr>\n      \n      \n            </table>\n    \n    \n          </div>"
  },
  "extension" : [{
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
    "valueCode" : "normative"
  },
  {
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version",
    "valueCode" : "4.0.0"
  },
  {
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
    "valueInteger" : 5
  },
  {
    "extension" : [{
      "url" : "packageId",
      "valueId" : "hl7.fhir.uv.xver-r4b.r4"
    },
    {
      "url" : "version",
      "valueString" : "0.0.1-snapshot-2"
    }],
    "url" : "http://hl7.org/fhir/StructureDefinition/package-source"
  },
  {
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
    "valueCode" : "fhir"
  }],
  "url" : "http://hl7.org/fhir/type-derivation-rule",
  "version" : "4.3.0",
  "name" : "TypeDerivationRule",
  "title" : "TypeDerivationRule",
  "status" : "active",
  "experimental" : false,
  "date" : "2021-01-17T06:06:13+10:00",
  "publisher" : "FHIR Infrastructure",
  "contact" : [{
    "name" : "FHIR Infrastructure",
    "telecom" : [{
      "system" : "url",
      "value" : "http://www.hl7.org/Special/committees/fiwg"
    }]
  }],
  "description" : "How a type relates to its baseDefinition.",
  "jurisdiction" : [{
    "coding" : [{
      "system" : "http://unstats.un.org/unsd/methods/m49/m49.htm",
      "code" : "001",
      "display" : "World"
    }]
  }],
  "caseSensitive" : true,
  "valueSet" : "http://hl7.org/fhir/ValueSet/type-derivation-rule|4.0.1",
  "content" : "complete",
  "concept" : [{
    "code" : "specialization",
    "display" : "Specialization",
    "definition" : "This definition defines a new type that adds additional elements to the base type."
  },
  {
    "code" : "constraint",
    "display" : "Constraint",
    "definition" : "This definition adds additional rules to an existing concrete type."
  }]
}