A84.81 Powassan virus disease

Instructional Notes:

A84.81
Description: Powassan virus disease
↓
A84.8
Description: Other tick-borne viral encephalitis
↓
A84
Description: Tick-borne viral encephalitis
Include:
- tick-borne viral meningoencephalitis
↓
A80-A89
Description: Viral and prion infections of the central nervous system (A80-A89)
Exclude1:
- postpolio syndrome (G14)
- sequelae of poliomyelitis (B91)
- sequelae of viral encephalitis (B94.1)
↓
A00-B99
Description: Certain infectious and parasitic diseases
Exclude1:
- certain localized infections - see body system-related chapters
Exclude2:
- carrier or suspected carrier of infectious disease (Z22.-)
- infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-)
- infectious and parasitic diseases specific to the perinatal period (P35-P39)
- influenza and other acute respiratory infections (J00-J22)
Use Additional Code:
- code to identify resistance to antimicrobial drugs (Z16.-)
Include:
- diseases generally recognized as communicable or transmissible