<?xml version="1.0" encoding="UTF-8"?><NamingSystem xmlns="http://hl7.org/fhir"><id value="MEDRT"/><text><status value="generated"/><div xmlns="http://www.w3.org/1999/xhtml"><p class="res-header-id"><b>Generated Narrative: NamingSystem MEDRT</b></p><a name="MEDRT"> </a><a name="hcMEDRT"> </a><a name="MEDRT-en-US"> </a><h3>Summary</h3><table class="grid"><tr><td>Defining URL</td><td>http://terminology.hl7.org/NamingSystem/MEDRT</td></tr><tr><td>Version</td><td>1.0.0</td></tr><tr><td>Name</td><td>MEDRT</td></tr><tr><td>Title</td><td>Medication Reference Terminology (MED-RT)</td></tr><tr><td>Status</td><td>active</td></tr><tr><td>Definition</td><td><div><p>Medication Reference Terminology (MED-RT) is the evolutionary successor to the Veterans Health Administration National Drug File – Reference Terminology (VHA NDF-RT). Both are formal ontology representations of medication terminology, pharmacologic classifications, and asserted authoritative relationships between them.</p>
<p>The MED-RT code system includes relationships between MED-RT concepts and concepts in external code systems, as well as relationships between concepts only in the external code systems. The external code systems that MED-RT references include RxNorm, MeSH, and SNOMED CT US Edition.</p>
<p>MED-RT can be downloaded from https://evs.nci.nih.gov/ftp1/MED-RT/</p>
<p>For more information, please see https://ncit.nci.nih.gov/ncitbrowser/pages/vocabulary.jsf?dictionary=MED-RT</p>
</div></td></tr><tr><td>Publisher</td><td>National Cancer Institute (NCI) Enterprise Vocabulary Services (EVS)</td></tr></table><h3>Identifiers</h3><table class="grid"><tr><td><b>Type</b></td><td><b>Value</b></td><td><b>Preferred</b></td></tr><tr><td>OID</td><td>2.16.840.1.113883.6.345</td><td>true</td></tr><tr><td>URI</td><td>http://va.gov/terminology/medrt</td><td>true</td></tr></table></div></text><url value="http://terminology.hl7.org/NamingSystem/MEDRT"/><version value="1.0.0"/><name value="MEDRT"/><title value="Medication Reference Terminology (MED-RT)"/><status value="active"/><kind value="codesystem"/><date value="2022-02-16T00:00:00-00:00"/><publisher value="National Cancer Institute (NCI) Enterprise Vocabulary Services (EVS)"/><contact><name value="US Department of Veterans Affairs; John Kilbourne, MD"/><telecom><system value="url"/><value value="https://www.va.gov/"/></telecom><telecom><system value="email"/><value value="medrt@jpsys.com"/></telecom><telecom><system value="email"/><value value="John.Kilbourne@va.gov"/></telecom></contact><responsible value="US Department of Veterans Affairs; John Kilbourne, MD"/><description value="Medication Reference Terminology (MED-RT) is the evolutionary successor to the Veterans Health Administration National Drug File – Reference Terminology (VHA NDF-RT). Both are formal ontology representations of medication terminology, pharmacologic classifications, and asserted authoritative relationships between them.&#xD;&#xA;&#xD;&#xA;The MED-RT code system includes relationships between MED-RT concepts and concepts in external code systems, as well as relationships between concepts only in the external code systems. The external code systems that MED-RT references include RxNorm, MeSH, and SNOMED CT US Edition.&#xD;&#xA;&#xD;&#xA;MED-RT can be downloaded from https://evs.nci.nih.gov/ftp1/MED-RT/ &#xD;&#xA;&#xD;&#xA;For more information, please see https://ncit.nci.nih.gov/ncitbrowser/pages/vocabulary.jsf?dictionary=MED-RT"/><uniqueId><type value="oid"/><value value="2.16.840.1.113883.6.345"/><preferred value="true"/></uniqueId><uniqueId><type value="uri"/><value value="http://va.gov/terminology/medrt"/><preferred value="true"/></uniqueId></NamingSystem>