A83.9
Mosquito-borne viral encephalitis, unspecified
- Release
- FY 2027
- Effective
Hierarchy
Where A83.9 sits in the official hierarchy. Each level is the code it is classified under.
- A83 Parent Mosquito-borne viral encephalitis
- A83.9 This code Mosquito-borne viral encephalitis, unspecified
Official Coding Notes
Reproduced verbatim from the FY 2027 ICD-10-CM files. Notes labelled as inherited are declared on a parent code and apply here too.
Includes
mosquito-borne viral meningoencephalitis
Inherited from A83 — Mosquito-borne viral encephalitis
Version History
How A83.9 appears in each release imported from the official files, newest first.
-
FY 2027 Effective
CurrentMosquito-borne viral encephalitis, unspecified
-
FY 2026 Effective
UnchangedMosquito-borne viral encephalitis, unspecified
Related Codes
Other codes under A83
- A83.0 Japanese encephalitis Billable
- A83.1 Western equine encephalitis Billable
- A83.2 Eastern equine encephalitis Billable
- A83.3 St Louis encephalitis Billable
- A83.4 Australian encephalitis Billable
- A83.5 California encephalitis Billable
- A83.6 Rocio virus disease Billable
- A83.8 Other mosquito-borne viral encephalitis Billable
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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