HL7 Terminology
2.1.0 - Publication
This page is part of the HL7 Terminology (v2.1.0: Release) based on FHIR R4. The current version which supercedes this version is 5.2.0. For a full list of available versions, see the Directory of published versions
<CodeSystem xmlns="http://hl7.org/fhir">
<id value="study-type"/>
<meta>
<lastUpdated value="2020-04-09T15:10:28.568-06:00"/>
</meta>
<text>
<status value="generated"/>
<div xmlns="http://www.w3.org/1999/xhtml"><p>This code system http://terminology.hl7.org/CodeSystem/study-type defines the following codes:</p><table class="codes"><tr><td style="white-space:nowrap"><b>Code</b></td><td><b>Display</b></td><td><b>Definition</b></td></tr><tr><td style="white-space:nowrap">RCT<a name="study-type-RCT"> </a></td><td>randomized trial</td><td>randomized controlled trial.</td></tr><tr><td style="white-space:nowrap">CCT<a name="study-type-CCT"> </a></td><td>controlled trial (non-randomized)</td><td>controlled (but not randomized) trial.</td></tr><tr><td style="white-space:nowrap">cohort<a name="study-type-cohort"> </a></td><td>comparative cohort study</td><td>observational study comparing cohorts.</td></tr><tr><td style="white-space:nowrap">case-control<a name="study-type-case-control"> </a></td><td>case-control study</td><td>case-control study.</td></tr><tr><td style="white-space:nowrap">series<a name="study-type-series"> </a></td><td>uncontrolled case series</td><td>uncontrolled case series.</td></tr><tr><td style="white-space:nowrap">case-report<a name="study-type-case-report"> </a></td><td>case report</td><td>a single case report.</td></tr><tr><td style="white-space:nowrap">RCTandCohort<a name="study-type-RCTandCohort"> </a></td><td>mixed RCT and cohort</td><td>a combination of 1 or more RCTs and cohorts.</td></tr><tr><td style="white-space:nowrap">cross-section<a name="study-type-cross-section"> </a></td><td>cross sectional study</td><td>uncontrolled cohort.</td></tr></table></div>
</text>
<url value="http://terminology.hl7.org/CodeSystem/study-type"/>
<identifier>
<system value="urn:ietf:rfc:3986"/>
<value value="urn:oid:2.16.840.1.113883.4.642.1.1350"/>
</identifier>
<version value="0.1.0"/>
<name value="StatisticStudyType"/>
<title value="StatisticStudyType"/>
<status value="draft"/>
<experimental value="false"/>
<date value="2020-04-09T21:10:28+00:00"/>
<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="The type of study a statistic was derived from."/>
<caseSensitive value="true"/>
<valueSet value="http://terminology.hl7.org/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 case series"/>
<definition value="uncontrolled case series."/>
</concept>
<concept>
<code value="case-report"/>
<display value="case report"/>
<definition value="a single case report."/>
</concept>
<concept>
<code value="RCTandCohort"/>
<display value="mixed RCT and cohort"/>
<definition value="a combination of 1 or more RCTs and cohorts."/>
</concept>
<concept>
<code value="cross-section"/>
<display value="cross sectional study"/>
<definition value="uncontrolled cohort."/>
</concept>
</CodeSystem>