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ICD-10-CM Current in FY 2027

A83

Mosquito-borne viral encephalitis

Release
FY 2027
Effective

Official Coding Notes

Reproduced verbatim from the FY 2027 ICD-10-CM files.

Includes

mosquito-borne viral meningoencephalitis

Excludes2

Venezuelan equine encephalitis ( A92.2 )

Excludes2

West Nile fever ( A92.3- )

Excludes2

West Nile virus ( A92.3- )

More Specific Codes

9 codes under A83

Version History

How A83 appears in each release imported from the official files, newest first.

  1. FY 2027 Effective

    Current

    Mosquito-borne viral encephalitis

  2. FY 2026 Effective

    Unchanged

    Mosquito-borne viral encephalitis

Data Source

Code information on this page is derived from the FY 2027 ICD-10-CM files published by CDC NCHS and CMS.

Release
FY 2027
Effective
Source file
icd10cm-code-descriptions-2027.zip

Official ICD-10-CM source files (opens in a new tab)

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