HL7 Terminology
2.1.0 - Publication

This page is part of the HL7 Terminology (v2.1.0: Release) based on FHIR R4. This is the current published version in it's permanent home (it will always be available at this URL). For a full list of available versions, see the Directory of published versions

NamingSystem: ICD-9 Dual Coding

Summary

Defining URLhttp://terminology.hl7.org/NamingSystem/ICD-9DualCoding
NameICD9DualCoding
Statusactive
Definition

ICD-9 Dual Coding Expression Syntax", 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:<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"

PublisherHL7

Identifiers

TypeValuePreferred
OID2.16.840.1.113883.6.261true
URIhttp://terminology.hl7.org/CodeSystem/ICD-9DualCodingtrue