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

{
  "description" : "Codes for the kind of study objective.",
  "compose" : null,
  "package" : "hl7.fhir.r5.core@5.0.0",
  "date" : "2022-05-15T05:55:11Z",
  "meta" : {
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    "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" : "ResearchStudyObjectiveType",
  "experimental" : false,
  "resourceType" : "CodeSystem",
  "title" : "ResearchStudy Objective Type Code System",
  "supliment" : null,
  "extension" : [ {
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
    "valueCode" : "brr"
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    "valueCode" : "trial-use"
  }, {
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
    "valueInteger" : 0
  } ],
  "status" : "active",
  "id" : "482b3863-0e4f-5c6c-9c4c-dd6ca2c3cc6f",
  "valueSet" : "http://hl7.org/fhir/ValueSet/research-study-objective-type",
  "url" : "http://hl7.org/fhir/research-study-objective-type",
  "concept" : [ {
    "code" : "primary",
    "display" : "Primary",
    "definition" : "The main question to be answered, and the one that drives any statistical planning for the study—e.g., calculation of the sample size to provide the appropriate power for statistical testing."
  }, {
    "code" : "secondary",
    "display" : "Secondary",
    "definition" : "Question to be answered in the study that is of lesser importance than the primary objective."
  }, {
    "code" : "exploratory",
    "display" : "Exploratory",
    "definition" : "Exploratory questions to be answered in the study."
  } ],
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  "version" : "5.0.0",
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}