A86 Unspecified viral encephalitis
Instructional Notes:
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A86
Description: Unspecified viral encephalitis
Inclusion Term:
- Viral encephalomyelitis NOS
- Viral meningoencephalitis NOS
↓
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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)
↓
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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