HL7 v2.8.1 Vocabulary
0.2.0 - ci-build

HL7 v2.8.1 Vocabulary, published by HL7/FO. This guide is not an authorized publication; it is the continuous build for version 0.2.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/frankoemig/hl7.v2.terminology.v281/ and changes regularly. See the Directory of published versions

## : Universal ID Type (2.8.1 - 1.2.0) - XML Representation

Active as of 2026-03-13

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    <CodeSystem xmlns="http://hl7.org/fhir">
      <id value="universalIdType"/>
      <text>
        <status value="generated"/>
        <div xmlns="http://www.w3.org/1999/xhtml"><ul><li>Include all codes defined in <a href="CodeSystem-universalIdType.html"><code>http://terminology.hl7.org/v2plusvocab/CodeSystem/universalIdType</code></a></li></ul></div>
      </text>
      <extension
                 url="http://terminology.hl7.org/v2plusvocab/StructureDefinition/codesystem-v2versionCreated">
        <valueString value="2.8.1"/>
      </extension>
      <extension
                 url="http://terminology.hl7.org/v2plusvocab/StructureDefinition/codesystem-versionHistory">
        <valueString value="generate correct history somehow"/>
      </extension>
      <extension
                 url="http://terminology.hl7.org/v2plusvocab/StructureDefinition/codesystem-tableNo">
        <valueString value="0301"/>
      </extension>
      <url
           value="http://terminology.hl7.org/v2plusvocab/CodeSystem/universalIdType"/>
      <identifier>
        <system value="urn:ietf:rfc:3986"/>
        <value value="urn:oid:2.16.840.1.113883.18.186"/>
      </identifier>
      <identifier>
        <system value="urn:ietf:rfc:3986"/>
        <value value="http://terminology.hl7.org/v2plusvocab/CodeSystem/v2-0301"/>
      </identifier>
      <version value="1.2.0"/>
      <name value="UniversalIdType"/>
      <title value="Universal ID Type (2.8.1 - 1.2.0)"/>
      <status value="active"/>
      <experimental value="true"/>
      <date value="2026-03-13T11:11:38+00:00"/>
      <publisher value="HL7/FO"/>
      <contact>
        <name value="HL7/FO"/>
        <telecom>
          <system value="url"/>
          <value value="http://www.hl7.org"/>
        </telecom>
      </contact>
      <description
                   value="HL7-defined code system of types of UID (Universal Identifiers).   Used in HL7 Version 2.x messaging HD and EI datatypes."/>
      <copyright value="HL7 Inc., 2026"/>
      <caseSensitive value="true"/>
      <compositional value="false"/>
      <content value="complete"/>
      <property>
        <code value="versionIntroduced"/>
        <uri
             value="http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#versionIntroduced"/>
        <description value="version when was this code introduced"/>
        <type value="string"/>
      </property>
      <property>
        <code value="versionDeprecated"/>
        <uri
             value="http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#versionDeprecated"/>
        <description value="version when was this code deprecated"/>
        <type value="string"/>
      </property>
      <property>
        <code value="status"/>
        <uri value="http://hl7.org/fhir/concept-properties#status"/>
        <description
                     value="A code that indicates the status of the concept. Typical values are active, experimental, deprecated, and retired"/>
        <type value="code"/>
      </property>
      <property>
        <code value="comment"/>
        <uri
             value="http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#comment"/>
        <description
                     value="A string that provides additional detail pertinent to the use or understanding of the concept"/>
        <type value="string"/>
      </property>
      <property>
        <code value="usage"/>
        <uri
             value="http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#usage"/>
        <description value="usage notes for this code"/>
        <type value="string"/>
      </property>
      <property>
        <code value="modified"/>
        <uri
             value="http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#modified"/>
        <description value="date of last modification"/>
        <type value="dateTime"/>
      </property>
      <concept>
        <code value="CLIA"/>
        <display value="Clinical Laboratory Improvement Amendments"/>
        <definition
                    value="Clinical Laboratory Improvement Amendments. Allows for the ability to designate organization identifier as a &quot;CLIA&quot; assigned number (for labs)"/>
        <property>
          <code value="comment"/>
          <valueString
                       value="Allows for the ability to designate organization identifier as a “CLIA” assigned number (for labs)"/>
        </property>
        <property>
          <code value="versionIntroduced"/>
          <valueString value="2.7"/>
        </property>
      </concept>
      <concept>
        <code value="CLIP"/>
        <display value="Clinical laboratory Improvement Program"/>
        <definition
                    value="Clinical laboratory Improvement Program. Allows for the ability to designate organization identifier as a &quot;CLIP&quot; assigned number (for labs).Â  Used by US Department of Defense."/>
        <property>
          <code value="comment"/>
          <valueString
                       value="Allows for the ability to designate organization identifier as a “CLIP” assigned number (for labs).  Used by US Department of Defense."/>
        </property>
        <property>
          <code value="versionIntroduced"/>
          <valueString value="2.7"/>
        </property>
      </concept>
      <concept>
        <code value="DNS"/>
        <display value="Domain Name System"/>
        <definition
                    value="An Internet host name, in accordance with RFC 1035; or an IP address. Either in ASCII or as integers, with periods between components (&quot;dotted&quot; notation)."/>
        <property>
          <code value="comment"/>
          <valueString
                       value="An Internet host name, in accordance with RFC 1035; or an IP address. Either in ASCII or as integers, with periods between components (“dotted” notation)."/>
        </property>
        <property>
          <code value="versionIntroduced"/>
          <valueString value="2.3"/>
        </property>
      </concept>
      <concept>
        <code value="EUI64"/>
        <display value="IEEE 64-bit Extended Unique Identifier"/>
        <definition
                    value="IEEE 64-bit Extended Unique Identifier is comprised of a  24-bit company identifier and a 40-bit instance identifier.  The value shall be formatted as 16 ASCII HEX digits, for example, &quot;AABBCC1122334455&quot;.  The 24-bit company identifier, formally known as "/>
        <property>
          <code value="comment"/>
          <valueString
                       value="IEEE 64-bit Extended Unique Identifier is comprised of a  24-bit company identifier and a 40-bit instance identifier.  The value shall be formatted as 16 ASCII HEX digits, for example, “AABBCC1122334455”.  The 24-bit company identifier, formally known as Organizationally Unique Identifier (OUI-24), is guaranteed to be globally unique.  The 40-bit extensions are assigned by manufacturers.  This identifier is often used in equipment interfaces (e.g., “MAC” address format for IPv4 &amp; IPv6).  [See http://standards.ieee.org/regauth/oui/tutorials/EUI64.htmlfor a detailed explanation of the format.]OUI-24 values are administered by the IEEE Registration Authority."/>
        </property>
        <property>
          <code value="usage"/>
          <valueString
                       value="OUI-24 values are administered by the IEEE Registration Authority."/>
        </property>
        <property>
          <code value="versionIntroduced"/>
          <valueString value="2.7"/>
        </property>
      </concept>
      <concept>
        <code value="GUID"/>
        <display value="globally unique identifier"/>
        <definition value="Same as UUID."/>
        <designation>
          <language value="de"/>
          <value value="GUID"/>
        </designation>
        <property>
          <code value="comment"/>
          <valueString
                       value="Same as UUID.Retained for backward compatibility only as of v2.7; use UUID instead"/>
        </property>
        <property>
          <code value="usage"/>
          <valueString
                       value="Retained for backward compatibility only as of v2.7; use UUID instead"/>
        </property>
        <property>
          <code value="versionIntroduced"/>
          <valueString value="2.3"/>
        </property>
      </concept>
      <concept>
        <code value="HCD"/>
        <display value="CEN Healthcare Coding Identifier"/>
        <definition value="The CEN Healthcare Coding Scheme Designator"/>
        <property>
          <code value="comment"/>
          <valueString
                       value="The CEN Healthcare Coding Scheme Designator. Retained for backward compatibility only as of v2.7; does not identify Assigning Authorities"/>
        </property>
        <property>
          <code value="usage"/>
          <valueString
                       value="Retained for backward compatibility only as of v2.7; does not identify Assigning Authorities"/>
        </property>
        <property>
          <code value="versionIntroduced"/>
          <valueString value="2.3"/>
        </property>
      </concept>
      <concept>
        <code value="HL7"/>
        <display value="HL7 registration schemes"/>
        <definition value="HL7 registration schemes"/>
        <property>
          <code value="comment"/>
          <valueString
                       value="Retained for backward compatibility only as of v2.7; HL7 assigns ISO OIDs for Assigning Authorities"/>
        </property>
        <property>
          <code value="usage"/>
          <valueString
                       value="Retained for backward compatibility only as of v2.7; HL7 assigns ISO OIDs for Assigning Authorities"/>
        </property>
        <property>
          <code value="versionIntroduced"/>
          <valueString value="2.3"/>
        </property>
      </concept>
      <concept>
        <code value="ISO"/>
        <display value="ISO Object Identifier"/>
        <definition
                    value="An International Standards Organization Object Identifier (OID), in accordance with ISO/IEC 8824.  Formatted as decimal digits separated by periods; recommended limit of 64 characters"/>
        <property>
          <code value="comment"/>
          <valueString
                       value="An International Standards Organization Object Identifier (OID), in accordance with ISO/IEC 8824.  Formatted as decimal digits separated by periods; recommended limit of 64 characters"/>
        </property>
        <property>
          <code value="versionIntroduced"/>
          <valueString value="2.3"/>
        </property>
      </concept>
      <concept>
        <code value="L"/>
        <display value="Local"/>
        <definition
                    value="These are reserved for locally defined coding schemes."/>
        <property>
          <code value="comment"/>
          <valueString
                       value="Locally defined coding entity identifier.Retained for backward compatibility only as of v 2.8"/>
        </property>
        <property>
          <code value="versionIntroduced"/>
          <valueString value="2.3"/>
        </property>
      </concept>
      <concept>
        <code value="M"/>
        <display value="Local"/>
        <definition
                    value="These are reserved for locally defined coding schemes."/>
        <property>
          <code value="comment"/>
          <valueString
                       value="Locally defined coding entity identifier.Retained for backward compatibility only as of v 2.8"/>
        </property>
        <property>
          <code value="versionIntroduced"/>
          <valueString value="2.3"/>
        </property>
      </concept>
      <concept>
        <code value="N"/>
        <display value="Local"/>
        <definition
                    value="These are reserved for locally defined coding schemes."/>
        <property>
          <code value="comment"/>
          <valueString
                       value="Locally defined coding entity identifier.Retained for backward compatibility only as of v 2.8"/>
        </property>
        <property>
          <code value="versionIntroduced"/>
          <valueString value="2.3"/>
        </property>
      </concept>
      <concept>
        <code value="Random"/>
        <display value="Random"/>
        <definition
                    value="Usually a base64 encoded string of random bits.&lt;p&gt;Note: Random IDs are typically used for instance identifiers, rather than an identifier of an Assigning Authority that issues instance identifiers"/>
        <property>
          <code value="comment"/>
          <valueString
                       value="Usually a base64 encoded string of random bits.Retained for backward compatibility only as of v2.7; equivalent to a locally defined entity identifier scheme; use L. M, or N instead. Note: Random IDs are typically used for instance identifiers, rather than an identifier of an Assigning Authority that issues instance identifiers"/>
        </property>
        <property>
          <code value="usage"/>
          <valueString
                       value="Retained for backward compatibility only as of v2.7; equivalent to a locally defined entity identifier scheme; use L. M, or N instead."/>
        </property>
        <property>
          <code value="versionIntroduced"/>
          <valueString value="2.3"/>
        </property>
      </concept>
      <concept>
        <code value="URI"/>
        <display value="Uniform Resource Identifier"/>
        <definition value="Uniform Resource Identifier"/>
        <designation>
          <language value="de"/>
          <value value="URI"/>
        </designation>
        <property>
          <code value="versionIntroduced"/>
          <valueString value="2.5"/>
        </property>
      </concept>
      <concept>
        <code value="UUID"/>
        <display value="Universal Unique Identifier"/>
        <definition
                    value="The DCE Universal Unique Identifier, in accordance with RFC 4122. Recommended format is 32 hexadecimal digits separated by hyphens, in the digit grouping 8-4-4-4-12"/>
        <property>
          <code value="comment"/>
          <valueString
                       value="The DCE Universal Unique Identifier, in accordance with RFC 4122. Recommended format is 32 hexadecimal digits separated by hyphens, in the digit grouping 8-4-4-4-12"/>
        </property>
        <property>
          <code value="versionIntroduced"/>
          <valueString value="2.3"/>
        </property>
      </concept>
      <concept>
        <code value="x400"/>
        <display value="X.400 MHS identifier"/>
        <definition
                    value="An X.400 MHS identifier. Recommended format is in accordance with RFC 1649"/>
        <property>
          <code value="comment"/>
          <valueString value="Recommended format is in accordance with RFC 1649"/>
        </property>
        <property>
          <code value="versionIntroduced"/>
          <valueString value="2.3"/>
        </property>
      </concept>
      <concept>
        <code value="x500"/>
        <display value="X500 directory Name"/>
        <definition value="An X.500 directory name"/>
        <designation>
          <language value="de"/>
          <value value="X.500 Verzeichnisname"/>
        </designation>
        <property>
          <code value="versionIntroduced"/>
          <valueString value="2.3"/>
        </property>
      </concept>
    </CodeSystem>