ICD-10 Code
International Classification of Diseases, 10th Revision
Aug 20, 2017

See: West Nile virus infection

  ICD-10 Code for West Nile virus infection with encephalitis A92.31

A92.31 is a valid1 ICD 10 diagnosis code.

A92.31 is valid for submission for HIPAA-covered transactions.

Chapter 1 Certain infectious and parasitic diseases (A00-B99)
Section A90-A99 Arthropod-borne viral fevers and viral hemorrhagic fevers (A90-A99)
Category A92 Other mosquito-borne viral fevers

• See below for any additional coding requirements that may be necessary.

• Check for any notations, inclusions and/or exclusions that are specific to this ICD 10 code before using

1 No additional coding requirements necessary.
Inclusion Term
  • West Nile encephalitis
  • West Nile encephalomyelitis
See also ICD 10 code for

Related Terms to “West Nile virus infection with encephalitis”

  • Fever(inanition) (of unknown origin) (persistent) (with chills) (with rigor) - R50.9
    • West
      • Nile(viral) - A92.30
        • with
          • encephalitis - A92.31
          • encephalomyelitis - A92.31
  • Virus, viralSee also condition
    • West Nile(fever) - A92.30
      • with
        • encephalitis - A92.31
        • encephalomyelitis - A92.31
See the 2017 ICD-10-CM Coding Guidelines.

When ICD 10 was implemented on October 1, 2015, it did not affect physicians', outpatient facilities', and hospital outpatient departments' use of CPT codes on Medicare Fee-For-Service claims. Providers should continue to use CPT codes to report these services.