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ICD-10-CM 2027

ICD-10 code for West fever

Choose a code from the options below based on the documentation.

From the official ICD-10-CM alphabetic index entry “Fever (inanition) (of unknown origin) (persistent) (with chills) (with rigor) › West”. Page updated September 29, 2026.

About coding West fever

The official ICD-10-CM index doesn't give a single default code for west fever; the code depends on the details below.

More specific West fever codes (official index)

  • African B50.8 — Other severe and complicated Plasmodium falciparum malaria
  • Nile (viral) A92.30 — West Nile virus infection, unspecified
  • with
  • complications NEC A92.39 — West Nile virus infection with other complications
  • cranial nerve disorders A92.32 — West Nile virus infection with other neurologic manifestation
  • encephalitis A92.31 — West Nile virus infection with encephalitis
  • encephalomyelitis A92.31 — West Nile virus infection with encephalitis
  • neurologic manifestation NEC A92.32 — West Nile virus infection with other neurologic manifestation
  • optic neuritis A92.32 — West Nile virus infection with other neurologic manifestation
  • polyradiculitis A92.32 — West Nile virus infection with other neurologic manifestation

Common questions about West fever ICD-10 codes

What is the ICD-10 code for african west fever?

B50.8 — Other severe and complicated Plasmodium falciparum malaria.

What is the ICD-10 code for nile west fever?

A92.30 — West Nile virus infection, unspecified.