A81.83 Fatal familial insomnia
Instructional Notes:
-
A81.83
Description: Fatal familial insomnia
Inclusion Term:
↓
-
A81.8
Description: Other atypical virus infections of central nervous system
↓
-
A81
Description: Atypical virus infections of central nervous system
Use Additional Code:
- code, if applicable, to identify:
- dementia with anxiety (F02.84, F02.A4, F02.B4, F02.C4)
- dementia with behavioral disturbance (F02.81-, F02.A1-, F02.B1-, F02.C1-)
- dementia with mood disturbance (F02.83, F02.A3, F02.B3, F02.C3)
- dementia with psychotic disturbance (F02.82, F02.A2, F02.B2, F02.C2)
- dementia without behavioral disturbance (F02.80, F02.A0, F02.B0, F02.C0)
- mild neurocognitive disorder due to known physiological condition (F06.7-)
Include:
- diseases of the central nervous system caused by prions
↓
-
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