ICD-9-CM diagnosis code (retired)
066.42 — West Nile Fever with other neurologic manifestation
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 066.42
066.42 is an ICD-9-CM diagnosis code for West Nile Fever with other neurologic manifestation. 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, A92.32 (West Nile virus infection with other neurologic manifestation). The match is exact.
ICD-10-CM equivalents
- A92.32West Nile virus infection with other neurologic manifestationexact match
Common questions about 066.42
What is the ICD-10 code for ICD-9 066.42?
- The GEMs map 066.42 to ICD-10-CM A92.32.
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.