HL7 Terminology (THO)
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HL7 Terminology (THO), published by HL7 International - Vocabulary Work Group. This guide is not an authorized publication; it is the continuous build for version 7.1.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/UTG/ and changes regularly. See the Directory of published versions

: DICOM UID Registry

Active as of 2026-01-08

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<NamingSystem xmlns="http://hl7.org/fhir">
  <id value="DCMUID"/>
  <language value="en"/>
  <text>
    <status value="generated"/>
    <div xml:lang="en" xmlns="http://www.w3.org/1999/xhtml" lang="en"><p class="res-header-id"><b>Generated Narrative: NamingSystem DCMUID</b></p><a name="DCMUID"> </a><a name="hcDCMUID"> </a><div style="display: inline-block; background-color: #d9e0e7; padding: 6px; margin: 4px; border: 1px solid #8da1b4; border-radius: 5px; line-height: 60%"><p style="margin-bottom: 0px">Language: en</p></div><h3>Summary</h3><table class="grid"><tr><td>Defining URL</td><td>http://terminology.hl7.org/NamingSystem/DCMUID</td></tr><tr><td>Version</td><td>1.0.0</td></tr><tr><td>Name</td><td>DCMUID</td></tr><tr><td>Title</td><td>DICOM UID Registry</td></tr><tr><td>Status</td><td>active</td></tr><tr><td>Definition</td><td><div><p>Registry of UID values that are registered and used throughout the Parts of the DICOM Standard. This central registry ensures that when additional UIDs are assigned, non-duplicate values are assigned.</p>
<p>For information see <a href="http://dicom.nema.org/resources/ontology/DCMUID">http://dicom.nema.org/resources/ontology/DCMUID</a>.</p>
</div></td></tr><tr><td>Publisher</td><td>National Electrical Manufacturers Association (NEMA)</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><td><b>Period</b></td><td><b>Comment</b></td></tr><tr><td>OID</td><td>1.2.840.10008.2.6.1</td><td>true</td><td/><td/></tr><tr><td>URI</td><td>http://dicom.nema.org/resources/ontology/DCMUID</td><td>true</td><td>2026-01-08 --&gt; (ongoing)</td><td>This is the URL endorsed by the TSMG and is considered authoritative.</td></tr></table></div>
  </text>
  <url value="http://terminology.hl7.org/NamingSystem/DCMUID"/>
  <version value="1.0.0"/>
  <name value="DCMUID"/>
  <title value="DICOM UID Registry"/>
  <status value="active"/>
  <kind value="codesystem"/>
  <date value="2026-01-08T00:00:00-04:00"/>
  <publisher value="National Electrical Manufacturers Association (NEMA)"/>
  <contact>
    <name value="National Electrical Manufacturers Association (NEMA)"/>
    <telecom>
      <system value="url"/>
      <value value="https://www.nema.org/"/>
    </telecom>
  </contact>
  <responsible value="National Electrical Manufacturers Association (NEMA)"/>
  <description
               value="Registry of UID values that are registered and used throughout the Parts of the DICOM Standard. This central registry ensures that when additional UIDs are assigned, non-duplicate values are assigned.

For information see [http://dicom.nema.org/resources/ontology/DCMUID]( http://dicom.nema.org/resources/ontology/DCMUID)."/>
  <uniqueId>
    <type value="oid"/>
    <value value="1.2.840.10008.2.6.1"/>
    <preferred value="true"/>
  </uniqueId>
  <uniqueId>
    <type value="uri"/>
    <value value="http://dicom.nema.org/resources/ontology/DCMUID"/>
    <preferred value="true"/>
    <comment
             value="This is the URL endorsed by the TSMG and is considered authoritative."/>
    <period>
      <start value="2026-01-08"/>
    </period>
  </uniqueId>
</NamingSystem>