A84Non-billable (header)

Tick-borne viral encephalitis

Related Codes· Viral and prion infections of the central nervous system (A80-A89)

A80Acute poliomyelitisA81Atypical virus infections of central nervous systemA82RabiesA83Mosquito-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 A84(4)

A84 is a non-billable header. Select a sub-code to bill.

A84.0Far Eastern tick-borne encephalitis [Russian spring-summer e…✓ BillableA84.1Central European tick-borne encephalitis✓ BillableA84.8Other tick-borne viral encephalitisHeaderA84.9Tick-borne viral encephalitis, unspecified✓ Billable

✓ Includes

  • •tick-borne viral meningoencephalitis

Code Hierarchy

┌1Certain infectious and parasitic diseases (A00-B99)├A80-A89Viral and prion infections of the central nervous system (A80-A89)├A84Tick-borne viral encephalitis
└A84Tick-borne viral encephalitis

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