ICD-10-CM > A00-B99 > A90-A99 > A92 > A92.3 A92.3 West Nile virus infection Non-Billable/Non-Specific Applicable To West Nile fever Codes A92.30West Nile virus infection, unspecifiedA92.31West Nile virus infection with encephalitisA92.32West Nile virus infection with other neurologic manifestationA92.39West Nile virus infection with other complications