ICD-9-CM diagnosis code (retired)
323.42 — Other myelitis due to other infections classified elsewhere
ICD-9-CM was replaced by ICD-10 on October 1, 2015. These are the ICD-10-CM equivalents from the CMS General Equivalence Mappings.
About ICD-9-CM 323.42
323.42 is an ICD-9-CM diagnosis code for other myelitis due to other infections classified elsewhere. ICD-9-CM was retired for U.S. claims on October 1, 2015, when ICD-10-CM took over.
The CMS General Equivalence Mappings translate it to one ICD-10-CM code, G05.4 (Myelitis in diseases classified elsewhere). The match is approximate, so confirm it against the record.
ICD-10-CM equivalents
- G05.4Myelitis in diseases classified elsewhereapproximate
Common questions about 323.42
What is the ICD-10 code for ICD-9 323.42?
- The GEMs map 323.42 to ICD-10-CM G05.4.
GEMs are a translation aid, not a substitute for coding from the record. The 2027 ICD-10 code set has changed since the last GEMs release in 2018. Page updated September 29, 2026.