<?xml version="1.0" encoding="UTF-8"?>
<CodeSystem xmlns="http://hl7.org/fhir">
  <id value="study-type"/>
  <meta>
    <lastUpdated value="2019-11-01T09:29:23.356+11:00"/>
  </meta>
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-wg">
    <valueCode value="cds"/>
  </extension>
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
    <valueCode value="trial-use"/>
  </extension>
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm">
    <valueInteger value="0"/>
  </extension>
  <url value="http://terminology.hl7.org/CodeSystem/study-type"/>
  <identifier>
    <system value="urn:ietf:rfc:3986"/>
    <value value="urn:oid:2.16.840.1.113883.4.642.4.1350"/>
  </identifier>
  <version value="4.0.1"/>
  <name value="StudyType"/>
  <title value="StudyType"/>
  <status value="draft"/>
  <experimental value="false"/>
  <date value="2019-11-01T09:29:23+11:00"/>
  <publisher value="HL7 (FHIR Project)"/>
  <contact>
    <telecom>
      <system value="url"/>
      <value value="http://hl7.org/fhir"/>
    </telecom>
    <telecom>
      <system value="email"/>
      <value value="fhir@lists.hl7.org"/>
    </telecom>
  </contact>
  <description value="Types of research studies (types of research methods)."/>
  <caseSensitive value="true"/>
  <valueSet value="http://hl7.org/fhir/ValueSet/study-type"/>
  <content value="complete"/>
  <concept>
    <code value="RCT"/>
    <display value="randomized trial"/>
    <definition value="randomized controlled trial."/>
  </concept>
  <concept>
    <code value="CCT"/>
    <display value="controlled trial (non-randomized)"/>
    <definition value="controlled (but not randomized) trial."/>
  </concept>
  <concept>
    <code value="cohort"/>
    <display value="comparative cohort study"/>
    <definition value="observational study comparing cohorts."/>
  </concept>
  <concept>
    <code value="case-control"/>
    <display value="case-control study"/>
    <definition value="case-control study."/>
  </concept>
  <concept>
    <code value="series"/>
    <display value="uncontrolled cohort or case series"/>
    <definition value="uncontrolled cohort or case series."/>
  </concept>
  <concept>
    <code value="case-report"/>
    <display value="case report"/>
    <definition value="a single case report."/>
  </concept>
  <concept>
    <code value="mixed"/>
    <display value="mixed methods"/>
    <definition value="a combination of 1 or more types of studies."/>
  </concept>
</CodeSystem>