A83Non-billable (header)
Mosquito-borne viral encephalitis
Related Codes· Viral and prion infections of the central nervous system (A80-A89)
A80Acute poliomyelitisA81Atypical virus infections of central nervous systemA82RabiesA84Tick-borne viral encephalitisA85Other viral encephalitis, not elsewhere classifiedA86Unspecified viral encephalitisA87Viral meningitisA88Other viral infections of central nervous system, not elsewh…A89Unspecified viral infection of central nervous system
Sub-codes of A83(9)
A83 is a non-billable header. Select a sub-code to bill.
A83.0Japanese encephalitis✓ BillableA83.1Western equine encephalitis✓ BillableA83.2Eastern equine encephalitis✓ BillableA83.3St Louis encephalitis✓ BillableA83.4Australian encephalitis✓ BillableA83.5California encephalitis✓ BillableA83.6Rocio virus disease✓ BillableA83.8Other mosquito-borne viral encephalitis✓ BillableA83.9Mosquito-borne viral encephalitis, unspecified✓ Billable
✓ Includes
- •mosquito-borne viral meningoencephalitis
⚠ Excludes 2(Not included here)
- •Venezuelan equine encephalitis (A92.2)
- •West Nile fever (A92.3-)
- •West Nile virus (A92.3-)
Code Hierarchy
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