http://hl7.org/fhir/research-study-arm-type|5.0.0

{
  "description" : "Codes for the main intent of the study.",
  "compose" : null,
  "package" : "hl7.fhir.r5.core@5.0.0",
  "date" : "2022-05-15T05:55:11Z",
  "meta" : {
    "profile" : [ "http://hl7.org/fhir/StructureDefinition/shareablecodesystem" ],
    "lastUpdated" : "2023-03-26T15:21:02.749+11:00"
  },
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      "code" : "001",
      "system" : "http://unstats.un.org/unsd/methods/m49/m49.htm",
      "display" : "World"
    } ]
  } ],
  "content" : "complete",
  "name" : "ResearchStudyArmType",
  "experimental" : false,
  "resourceType" : "CodeSystem",
  "title" : "ResearchStudy Arm Type Code System",
  "supliment" : null,
  "extension" : [ {
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
    "valueCode" : "brr"
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    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
    "valueCode" : "trial-use"
  }, {
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
    "valueInteger" : 0
  } ],
  "status" : "active",
  "id" : "3f5d7603-48a4-5028-9fd1-59729e95c20b",
  "valueSet" : "http://hl7.org/fhir/ValueSet/research-study-arm-type",
  "url" : "http://hl7.org/fhir/research-study-arm-type",
  "concept" : [ {
    "code" : "active-comparator",
    "display" : "Active Comparator"
  }, {
    "code" : "placebo-comparator",
    "display" : "Placebo Comparator"
  }, {
    "code" : "sham-comparator",
    "display" : "Sham Comparator"
  }, {
    "code" : "no-intervention",
    "display" : "No Intervention"
  }, {
    "code" : "experimental",
    "display" : "Experimental"
  }, {
    "code" : "other-arm-type",
    "display" : "Other Arm Type"
  } ],
  "caseSensitive" : true,
  "version" : "5.0.0",
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}