A81

icd
Non-Billable

Atypical virus infections of central nervous system


Guidelines

Excludes1
1certain localized infections - see body system-related chaptersA80-A89
  • postpolio syndrome (G14)
  • sequelae of poliomyelitis (B91)
  • sequelae of viral encephalitis (B94.1)
Excludes 2
1
  • 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)
Includes
1diseases generally recognized as communicable or transmissibleA81diseases of the central nervous system caused by prions
Use Additional Code
1code to identify resistance to antimicrobial drugs (Z16.-)A81
  • 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-)

Related Codes

A81icd
Atypical virus infections of central nervous system
Creutzfeldt-Jakob disease
Creutzfeldt-Jakob disease, unspecified
Variant Creutzfeldt-Jakob disease
Other Creutzfeldt-Jakob disease
Subacute sclerosing panencephalitis
Progressive multifocal leukoencephalopathy
Other atypical virus infections of central nervous system
Kuru
Gerstmann-Straussler-Scheinker syndrome