Diagnosis Code


Code Information

Diagnosis Code: A84.81

Short Description: Powassan virus disease

Long Description: Powassan virus disease

The code A84.81 is VALID for claim submission

Code Classification:

  • Certain infectious and parasitic diseases (A00–B99)
    • Viral and prion infections of the central nervous system (A80-A89)
      • Tick-borne viral encephalitis (A84)
        • A84.81 Powassan virus disease

Code Version: 2022 ICD-10-CM


  • Neuroinvasive Powassan encephalitis virus infection
  • Powassan encephalitis virus infection
  • Powassan virus non-neuroinvasive disease

Similar Codes

ICD-10 Code ICD-10 Description
A84 Tick-borne viral encephalitis
A84.0 Far Eastern tick-borne encephalitis [Russian spring-summer encephalitis]
A84.1 Central European tick-borne encephalitis
A84.8 Other tick-borne viral encephalitis
A84.89 Other tick-borne viral encephalitis
A84.9 Tick-borne viral encephalitis, unspecified

This page was last updated on: 10/1/2021