HL7 Terminology (THO)
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This page is part of the HL7 Terminology (v5.4.0: Release) based on FHIR R4. This is the current published version in its permanent home (it will always be available at this URL). For a full list of available versions, see the Directory of published versions

: ICD-9 Dual Coding - XML Representation

Retired as of 2021-11-09

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<CodeSystem xmlns="http://hl7.org/fhir">
  <id value="ICD-9DualCoding"/>
    <status value="generated"/>
    <div xmlns="http://www.w3.org/1999/xhtml"><p>This case-sensitive code system <code>http://terminology.hl7.org/CodeSystem/ICD-9DualCoding</code> defines codes, but no codes are represented here</p></div>
  <url value="http://terminology.hl7.org/CodeSystem/ICD-9DualCoding"/>
    <system value="urn:ietf:rfc:3986"/>
    <value value="urn:oid:2.16.840.1.113883.6.261"/>
  <version value="2.0.1"/>
  <name value="ICD9DualCoding"/>
  <title value="ICD-9 Dual Coding"/>
  <status value="retired"/>
  <experimental value="false"/>
  <date value="2021-11-09T10:00:00+10:00"/>
  <publisher value="TBD - External Body"/>
    <name value="HL7,HL7,HL7,HL7"/>
               value="ICD-9 Dual Coding Expression Syntax&quot;, description: ICD-9 allows dual coding. Refer to Section ?? of the ICD-9 Instruction Manual (ref?).

This OID identifies the code system that describes how to encode Dual Coding in a CD compatible expression (for Datatypes R2 CD only).

An ICD-9 dual code expression SHALL consist of two ICD-9 codes separated by space. This code system SHALL NOT be used for single ICD-9 codes; the normal ICD-9 code system oid which is 2.16.840.1.113883.6.3 should be used in this case. DisplayName SHALL not be used.

Dual code expressions SHALL only be used per the rules described in the ICD-9 instruction manual.

**An example CD:**&lt;br&gt;&lt;/br&gt;&lt;example code=&quot;989.5 E905.9&quot; codeSystem=&quot;2.16.840.1.113883.6.261&quot;&gt;&lt;br&gt;&lt;/br&gt;&lt;originalText value=&quot;ANAPHYLAXIS DUE TO BITE OR STING&quot;/&gt;&lt;br&gt;&lt;/br&gt;&lt;/example&gt;&lt;br&gt;&lt;/br&gt;Where 989.5 is: &quot;Toxic effect of venom&quot; and E905.9 is: &quot;Bite or sting&quot;"/>
  <caseSensitive value="true"/>
  <content value="not-present"/>