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NamingSystem:

Official URL: http://terminology.hl7.org/NamingSystem/ICD-10DualCoding				Version: 2.1.0
Retired as of 2021-11-09			Responsible: HL7	Computable Name: ICD10DualCoding

ICD-10 allows dual coding. Refer to Section 3.1.3 of the ICD-10 Instruction Manual (2nd Edition, http://www.who.int/entity/classifications/icd/ICD-10_2nd_ed_volume2.pdf).

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-10 dual code expression SHALL consist of two ICD-10 codes separated by space. This code system SHALL NOT be used for single ICD-10 codes; the normal ICD-10 code system oid which is 2.16.840.1.113883.6.3 should be used in this case.

Dual code expressions SHALL only be used per the rules described in the ICD-10 instruction manual.

An example CD:
</br>
</br>
</br>
</br>
</br> Where:
</br> J21.8 is: Acute bronchiolitis due to other specified organisms
</br> B95.6 is: Staphylococcus aureus as the cause of diseases classified to other chapters