{
  "resourceType": "CodeSystem",
  "id": "study-type",
  "meta": {
    "lastUpdated": "2019-11-01T09:29:23.356+11:00"
  },
  "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": 0
    }
  ],
  "url": "http://terminology.hl7.org/CodeSystem/study-type",
  "identifier": [
    {
      "system": "urn:ietf:rfc:3986",
      "value": "urn:oid:2.16.840.1.113883.4.642.4.1350"
    }
  ],
  "version": "4.0.1",
  "name": "StudyType",
  "title": "StudyType",
  "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": "Types of research studies (types of research methods).",
  "caseSensitive": true,
  "valueSet": "http://hl7.org/fhir/ValueSet/study-type",
  "content": "complete",
  "concept": [
    {
      "code": "RCT",
      "display": "randomized trial",
      "definition": "randomized controlled trial."
    },
    {
      "code": "CCT",
      "display": "controlled trial (non-randomized)",
      "definition": "controlled (but not randomized) trial."
    },
    {
      "code": "cohort",
      "display": "comparative cohort study",
      "definition": "observational study comparing cohorts."
    },
    {
      "code": "case-control",
      "display": "case-control study",
      "definition": "case-control study."
    },
    {
      "code": "series",
      "display": "uncontrolled cohort or case series",
      "definition": "uncontrolled cohort or case series."
    },
    {
      "code": "case-report",
      "display": "case report",
      "definition": "a single case report."
    },
    {
      "code": "mixed",
      "display": "mixed methods",
      "definition": "a combination of 1 or more types of studies."
    }
  ]
}