HL7 v2.8 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.v28/ and changes regularly. See the Directory of published versions

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: Root Cause (2.8 - 1.0.0) - XML Representation

Active as of 2026-01-27

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<CodeSystem xmlns="http://hl7.org/fhir">
  <id value="rootCause"/>
  <text>
    <status value="generated"/>
    <div xmlns="http://www.w3.org/1999/xhtml"><ul><li>Include all codes defined in <a href="CodeSystem-rootCause.html"><code>http://terminology.hl7.org/v2plusvocab/CodeSystem/rootCause</code></a></li></ul></div>
  </text>
  <extension
             url="http://terminology.hl7.org/v2plusvocab/StructureDefinition/codesystem-v2versionCreated">
    <valueString value="2.8"/>
  </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="0914"/>
  </extension>
  <url value="http://terminology.hl7.org/v2plusvocab/CodeSystem/rootCause"/>
  <identifier>
    <system value="urn:ietf:rfc:3986"/>
    <value value="urn:oid:2.16.840.1.113883.18.421"/>
  </identifier>
  <version value="1.0.0"/>
  <name value="RootCause"/>
  <title value="Root Cause (2.8 - 1.0.0)"/>
  <status value="active"/>
  <experimental value="true"/>
  <date value="2026-01-27T19:37:03+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 specifying the root cause.  Used in HL7 Version 2.x messaging in the OBX 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="AP"/>
    <display value="Analysis Process"/>
    <definition value="Analysis Process"/>
    <property>
      <code value="usage"/>
      <valueString
                   value="Enter (AP) when ANALYSIS PROCESS is the reason due to:
• Product or supply failure (reagents, calibrators, QC material)
• Equipment or instrumentation failure"/>
    </property>
    <property>
      <code value="modified"/>
      <valueDateTime value="2016-10-16"/>
    </property>
    <property>
      <code value="versionIntroduced"/>
      <valueString value="2.8"/>
    </property>
  </concept>
  <concept>
    <code value="IM"/>
    <display value="Information Management"/>
    <definition value="Information Management"/>
    <property>
      <code value="usage"/>
      <valueString
                   value="Enter (IM) when INFORMATION MANAGEMENT is the reason due to:
• Database or Programming issues
• Overriding of test results
• Inaccurate calculations
• Inaccurate flagging, reference ranges, units of measure
• Incomplete/inaccurate transmission of test results
• Other"/>
    </property>
    <property>
      <code value="modified"/>
      <valueDateTime value="2016-10-16"/>
    </property>
    <property>
      <code value="versionIntroduced"/>
      <valueString value="2.8"/>
    </property>
  </concept>
  <concept>
    <code value="L"/>
    <display value="Laboratory"/>
    <definition value="Laboratory"/>
    <property>
      <code value="usage"/>
      <valueString
                   value="Enter (L) when LABORATORY is the reason due to:
• Data Entry error
• Testing/Technical error
• Repeat testing causing change to test result"/>
    </property>
    <property>
      <code value="modified"/>
      <valueDateTime value="2016-10-16"/>
    </property>
    <property>
      <code value="versionIntroduced"/>
      <valueString value="2.8"/>
    </property>
  </concept>
  <concept>
    <code value="NA"/>
    <display value="Not Applicable"/>
    <definition value="Not Applicable"/>
    <property>
      <code value="usage"/>
      <valueString
                   value="Enter (NA) when NOT-APPLICABLE is the reason due to:
• If no revisions performed or
• unable to determine reason for revision
Note:  Do not use NA if result code status is not corrected (revised) or if a preliminary release of results with a correction (revision)"/>
    </property>
    <property>
      <code value="modified"/>
      <valueDateTime value="2016-10-16"/>
    </property>
    <property>
      <code value="versionIntroduced"/>
      <valueString value="2.8"/>
    </property>
  </concept>
  <concept>
    <code value="PD"/>
    <display value="Placer Data"/>
    <definition value="Placer Data"/>
    <property>
      <code value="usage"/>
      <valueString
                   value="Enter (PD) when new or changed PLACER DATA information is the reason due to:
• Changed patient demographics or
• Result code data provided by the client on the requisition or specimen manifest that will be entered during order entry (i.e. Previous Biopsy Date, Clinical Information, Source, etc...)"/>
    </property>
    <property>
      <code value="modified"/>
      <valueDateTime value="2016-10-16"/>
    </property>
    <property>
      <code value="versionIntroduced"/>
      <valueString value="2.8"/>
    </property>
  </concept>
</CodeSystem>