HL7 v2.9 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.v29/ and changes regularly. See the Directory of published versions

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: Auto-Dilution Type (2.9 - 1.0.0) - XML Representation

Active as of 2026-01-27

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<CodeSystem xmlns="http://hl7.org/fhir">
  <id value="auto-DilutionType"/>
  <text>
    <status value="generated"/>
    <div xmlns="http://www.w3.org/1999/xhtml"><ul><li>Include all codes defined in <a href="CodeSystem-auto-DilutionType.html"><code>http://terminology.hl7.org/v2plusvocab/CodeSystem/auto-DilutionType</code></a></li></ul></div>
  </text>
  <extension
             url="http://terminology.hl7.org/v2plusvocab/StructureDefinition/codesystem-v2versionCreated">
    <valueString value="2.9"/>
  </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="0945"/>
  </extension>
  <url
       value="http://terminology.hl7.org/v2plusvocab/CodeSystem/auto-DilutionType"/>
  <identifier>
    <system value="urn:ietf:rfc:3986"/>
    <value value="urn:oid:2.16.840.1.113883.18.445"/>
  </identifier>
  <version value="1.0.0"/>
  <name value="Auto-DilutionType"/>
  <title value="Auto-Dilution Type (2.9 - 1.0.0)"/>
  <status value="active"/>
  <experimental value="true"/>
  <date value="2026-01-27T19:46:43+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="Code system of vendor-defined codes that specify the pre‑configured dilution to be applied on the instrument, which can be used instead of a numeric declaration.  Used in Version 2 messaging in the TCD segment."/>
  <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="D1"/>
    <display value="Dilution factor 1.23"/>
    <definition
                value="Specimen pre-diluted by factor 1.23 applied on the instrument"/>
    <property>
      <code value="usage"/>
      <valueString value="corresponds to ^1^:^1.23 in TCD-2"/>
    </property>
    <property>
      <code value="modified"/>
      <valueDateTime value="2016-03-16"/>
    </property>
    <property>
      <code value="versionIntroduced"/>
      <valueString value="2.9"/>
    </property>
  </concept>
  <concept>
    <code value="D2"/>
    <display value="Dilution factor 1.45"/>
    <definition
                value="Specimen pre-diluted by factor 1.45 applied on the instrument"/>
    <property>
      <code value="usage"/>
      <valueString value="corresponds to ^1^:^1.45 in TCD-2"/>
    </property>
    <property>
      <code value="modified"/>
      <valueDateTime value="2016-03-16"/>
    </property>
    <property>
      <code value="versionIntroduced"/>
      <valueString value="2.9"/>
    </property>
  </concept>
  <concept>
    <code value="X2"/>
    <display value="Dilution factor 2"/>
    <definition
                value="Specimen pre-diluted by factor 2 applied on the instrument"/>
    <property>
      <code value="usage"/>
      <valueString value="corresponds to ^1^:^2 in TCD-2"/>
    </property>
    <property>
      <code value="modified"/>
      <valueDateTime value="2016-03-16"/>
    </property>
    <property>
      <code value="versionIntroduced"/>
      <valueString value="2.9"/>
    </property>
  </concept>
  <concept>
    <code value="X5"/>
    <display value="Dilution factor 5"/>
    <definition
                value="Specimen pre-diluted by factor 5 applied on the instrument"/>
    <property>
      <code value="usage"/>
      <valueString value="corresponds to ^1^:^5 in TCD-2"/>
    </property>
    <property>
      <code value="modified"/>
      <valueDateTime value="2016-03-16"/>
    </property>
    <property>
      <code value="versionIntroduced"/>
      <valueString value="2.9"/>
    </property>
  </concept>
</CodeSystem>