HL7 Terminology (THO)
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: ICD-9 Dual Coding - JSON Representation

Retired as of 2021-11-09

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  "resourceType" : "CodeSystem",
  "id" : "ICD-9DualCoding",
  "text" : {
    "status" : "generated",
    "div" : "<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" : "http://terminology.hl7.org/CodeSystem/ICD-9DualCoding",
  "identifier" : [
      "system" : "urn:ietf:rfc:3986",
      "value" : "urn:oid:2.16.840.1.113883.6.261"
  "version" : "2.0.1",
  "name" : "ICD9DualCoding",
  "title" : "ICD-9 Dual Coding",
  "status" : "retired",
  "experimental" : false,
  "date" : "2021-11-09T10:00:00+10:00",
  "publisher" : "TBD - External Body",
  "contact" : [
      "name" : "HL7,HL7,HL7,HL7"
  "description" : "ICD-9 Dual Coding Expression Syntax\", description: ICD-9 allows dual coding. Refer to Section ?? of the ICD-9 Instruction Manual (ref?).\r\n\r\nThis OID identifies the code system that describes how to encode Dual Coding in a CD compatible expression (for Datatypes R2 CD only).\r\n\r\nAn 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.\r\n\r\nDual code expressions SHALL only be used per the rules described in the ICD-9 instruction manual.\r\n\r\n**An example CD:**<br></br><example code=\"989.5 E905.9\" codeSystem=\"2.16.840.1.113883.6.261\"><br></br><originalText value=\"ANAPHYLAXIS DUE TO BITE OR STING\"/><br></br></example><br></br>Where 989.5 is: \"Toxic effect of venom\" and E905.9 is: \"Bite or sting\"",
  "caseSensitive" : true,
  "content" : "not-present"