A83
A83: Mosquito-borne viral encephalitis
Non-billable headerICD-10-CM
A83 is a non-billable header ICD-10-CM code for mosquito-borne viral encephalitis. It cannot be billed on its own: choose one of the more specific child codes below.
Excludes2: not included here, but may coexist
The excluded condition is not part of this code, but a patient can have both. You may code both.
Includes
Conditions this code covers.
- mosquito-borne viral meningoencephalitis
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Code history
Unchanged in every release from FY2024 to FY2027.
Code to one of these instead A83
9 child codes. Green means billable.