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A81 - Atypical virus infections of central nervous system


The ICD 10 Code for Atypical virus infections of central nervous system is listed as A81.
Additional information concerning this code and description can be found below including ICD 9 crosswalks / GEMS, chapter information, and DRGs where available.

ICD 10 CM Field Value
Diagnosis Code: A81
Description: Atypical virus infections of central nervous system
  • Includes: diseases of the central nervous system caused by prions
  • Use additional code to identify:
  • dementia with behavioral disturbance (F02.81)
  • dementia without behavioral disturbance (F02.80)
Chapter Certain infectious and parasitic diseases (A00-B99)
ICD-10-CM Children (deeper level / typically more specific) of A81:
A81.0 - Creutzfeldt-Jakob disease
A81.1 - Subacute sclerosing panencephalitis
A81.2 - Progressive multifocal leukoencephalopathy
A81.8 - Other atypical virus infections of central nervous system
A81.9 - Atypical virus infection of central nervous system, unspecified