HL7 v2.5.1 Vocabulary
0.1.0 - ci-build

HL7 v2.5.1 Vocabulary, published by HL7/FO. This guide is not an authorized publication; it is the continuous build for version 0.1.0 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.v251/ and changes regularly. See the Directory of published versions

## : Sequencing (2.5.1 - 1.0.0) - XML Representation

Active as of 2026-01-27

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    <CodeSystem xmlns="http://hl7.org/fhir">
      <id value="sequencing"/>
      <text>
        <status value="generated"/>
        <div xmlns="http://www.w3.org/1999/xhtml"><ul><li>Include all codes defined in <a href="CodeSystem-sequencing.html"><code>http://terminology.hl7.org/v2plusvocab/CodeSystem/sequencing</code></a></li></ul></div>
      </text>
      <extension
                 url="http://terminology.hl7.org/v2plusvocab/StructureDefinition/codesystem-v2versionCreated">
        <valueString value="2.5.1"/>
      </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="0397"/>
      </extension>
      <url value="http://terminology.hl7.org/v2plusvocab/CodeSystem/sequencing"/>
      <identifier>
        <system value="urn:ietf:rfc:3986"/>
        <value value="urn:oid:2.16.840.1.113883.18.248"/>
      </identifier>
      <version value="1.0.0"/>
      <name value="Sequencing"/>
      <title value="Sequencing (2.5.1 - 1.0.0)"/>
      <status value="active"/>
      <experimental value="true"/>
      <date value="2026-01-27T19:29:18+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 concepts identifying how the field or parameter will be sorted and, if sorted, whether the sort will be case sensitive (the default) or not.  Used in HL7 Version 2.x messaging in the Sort Order (SRT) value."/>
      <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="A"/>
        <display value="Ascending"/>
        <definition value="Ascending"/>
        <property>
          <code value="versionIntroduced"/>
          <valueString value="2.4"/>
        </property>
      </concept>
      <concept>
        <code value="AN"/>
        <display value="Ascending, case insensitive"/>
        <definition value="Ascending, case insensitive"/>
        <property>
          <code value="versionIntroduced"/>
          <valueString value="2.4"/>
        </property>
      </concept>
      <concept>
        <code value="D"/>
        <display value="Descending"/>
        <definition value="Descending"/>
        <property>
          <code value="versionIntroduced"/>
          <valueString value="2.4"/>
        </property>
      </concept>
      <concept>
        <code value="DN"/>
        <display value="Descending, case insensitive"/>
        <definition value="Descending, case insensitive"/>
        <property>
          <code value="versionIntroduced"/>
          <valueString value="2.4"/>
        </property>
      </concept>
      <concept>
        <code value="N"/>
        <display value="None"/>
        <definition value="None"/>
        <property>
          <code value="versionIntroduced"/>
          <valueString value="2.4"/>
        </property>
      </concept>
    </CodeSystem>