{
"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." } ]
}