{

"resourceType": "CodeSystem",
"id": "research-study-objective-type",
"meta": {
  "lastUpdated": "2019-11-01T09:29:23.356+11:00"
},
"extension": [
  {
    "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
    "valueCode": "brr"
  }
],
"url": "http://terminology.hl7.org/CodeSystem/research-study-objective-type",
"identifier": [
  {
    "system": "urn:ietf:rfc:3986",
    "value": "urn:oid:2.16.840.1.113883.4.642.4.1248"
  }
],
"version": "4.0.1",
"name": "ResearchStudyObjectiveType",
"title": "ResearchStudyObjectiveType",
"status": "draft",
"experimental": false,
"date": "2019-11-01T09:29:23+11:00",
"publisher": "HL7 (FHIR Project)",
"contact": [
  {
    "telecom": [
      {
        "system": "url",
        "value": "http://hl7.org/fhir"
      },
      {
        "system": "email",
        "value": "fhir@lists.hl7.org"
      }
    ]
  }
],
"description": "Codes for the kind of study objective.",
"caseSensitive": true,
"valueSet": "http://hl7.org/fhir/ValueSet/research-study-objective-type",
"content": "complete",
"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."
  }
]

}