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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: Diagnosis Priority (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="diagnosisPriority"/>
  <text>
    <status value="generated"/>
    <div xmlns="http://www.w3.org/1999/xhtml"><ul><li>Include all codes defined in <a href="CodeSystem-diagnosisPriority.html"><code>http://terminology.hl7.org/v2plusvocab/CodeSystem/diagnosisPriority</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="0359"/>
  </extension>
  <url
       value="http://terminology.hl7.org/v2plusvocab/CodeSystem/diagnosisPriority"/>
  <identifier>
    <system value="urn:ietf:rfc:3986"/>
    <value value="urn:oid:2.16.840.1.113883.18.218"/>
  </identifier>
  <version value="1.0.0"/>
  <name value="DiagnosisPriority"/>
  <title value="Diagnosis Priority (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 concepts that identify the significance or priority of the diagnosis code.  Note that the codes are numeric, and the number of the code represents the ordinal priority of the associated diagnosis.  Used in the DG1 segment in HL7 Version 2.x messaging. The predefined codes are the most common, and just a starter set, as the codes are an unbounded list; additional ranked procedures may be signified by incrementing the code value as needed."/>
  <copyright value="HL7 Inc., 2026"/>
  <caseSensitive value="true"/>
  <compositional value="false"/>
  <content value="fragment"/>
  <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="0"/>
    <display value="Not included in diagnosis ranking"/>
    <definition value="Not included in diagnosis ranking"/>
    <property>
      <code value="modified"/>
      <valueDateTime value="2015-07-13"/>
    </property>
    <property>
      <code value="versionIntroduced"/>
      <valueString value="2.3.1"/>
    </property>
  </concept>
  <concept>
    <code value="1"/>
    <display value="The primary diagnosis"/>
    <definition value="The primary diagnosis"/>
    <property>
      <code value="modified"/>
      <valueDateTime value="2015-07-13"/>
    </property>
    <property>
      <code value="versionIntroduced"/>
      <valueString value="2.3.1"/>
    </property>
  </concept>
  <concept>
    <code value="2"/>
    <display value="For  secondary diagnosis"/>
    <definition value="For  secondary diagnosis"/>
    <property>
      <code value="modified"/>
      <valueDateTime value="2016-06-10"/>
    </property>
    <property>
      <code value="versionIntroduced"/>
      <valueString value="2.3.1"/>
    </property>
  </concept>
  <concept>
    <code value="3"/>
    <display value="For tertiary diagnosis"/>
    <definition value="For tertiary diagnosis"/>
    <property>
      <code value="modified"/>
      <valueDateTime value="2016-06-10"/>
    </property>
    <property>
      <code value="versionIntroduced"/>
      <valueString value="2.9"/>
    </property>
  </concept>
  <concept>
    <code value="4"/>
    <display value="For quaternary diagnosis"/>
    <definition value="For quaternary diagnosis"/>
    <property>
      <code value="modified"/>
      <valueDateTime value="2016-06-10"/>
    </property>
    <property>
      <code value="versionIntroduced"/>
      <valueString value="2.9"/>
    </property>
  </concept>
</CodeSystem>