HL7 v2.9 Vocabulary
0.1.0 - ci-build

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

## : Match Reason (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="matchReason"/>
      <text>
        <status value="generated"/>
        <div xmlns="http://www.w3.org/1999/xhtml"><ul><li>Include all codes defined in <a href="CodeSystem-matchReason.html"><code>http://terminology.hl7.org/v2plusvocab/CodeSystem/matchReason</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="0392"/>
      </extension>
      <url value="http://terminology.hl7.org/v2plusvocab/CodeSystem/matchReason"/>
      <identifier>
        <system value="urn:ietf:rfc:3986"/>
        <value value="urn:oid:2.16.840.1.113883.18.243"/>
      </identifier>
      <version value="1.0.0"/>
      <name value="MatchReason"/>
      <title value="Match Reason (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 identifying what search components (e.g., name, birthdate, social security number) of the record returned matched the original query where the responding system does not assign numeric match weights or confidence levels.  It provides a method for passing a descriptive indication of the reason a particular record was found.  Used in HL7 Version 2.x messaging in the Query Response Instance (QRI) 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="DB"/>
        <display value="Match on Date of Birth"/>
        <definition value="Match on Date of Birth"/>
        <property>
          <code value="modified"/>
          <valueDateTime value="2015-07-13"/>
        </property>
        <property>
          <code value="versionIntroduced"/>
          <valueString value="2.4"/>
        </property>
      </concept>
      <concept>
        <code value="NA"/>
        <display value="Match on Name (Alpha Match)"/>
        <definition value="Match on Name (Alpha Match)"/>
        <property>
          <code value="modified"/>
          <valueDateTime value="2015-07-13"/>
        </property>
        <property>
          <code value="versionIntroduced"/>
          <valueString value="2.4"/>
        </property>
      </concept>
      <concept>
        <code value="NP"/>
        <display value="Match on Name (Phonetic Match)"/>
        <definition value="Match on Name (Phonetic Match)"/>
        <property>
          <code value="modified"/>
          <valueDateTime value="2015-07-13"/>
        </property>
        <property>
          <code value="versionIntroduced"/>
          <valueString value="2.4"/>
        </property>
      </concept>
      <concept>
        <code value="SS"/>
        <display value="Match on Social Security Number"/>
        <definition value="Match on Social Security Number"/>
        <property>
          <code value="modified"/>
          <valueDateTime value="2015-07-13"/>
        </property>
        <property>
          <code value="versionIntroduced"/>
          <valueString value="2.4"/>
        </property>
      </concept>
    </CodeSystem>