ICD-10 Code
International Classification of Diseases, 10th Revision
Dec 16, 2017

See: Atypical virus infections of central nervous system

A81 is NOT a complete or valid ICD 10 diagnosis code.

You should code each health care encounter to the level of certainty known for that encounter. When sufficient clinical information is not known or available to assign a more specific code, it is acceptable to report the appropriate unspecified code.

See below for more specifc codes relating to
Atypical virus infections of central nervous system
Use Additional Code
  • code to identify:
  • dementia with behavioral disturbance (F02.81)
  • dementia without behavioral disturbance (F02.80)
Includes
  • diseases of the central nervous system caused by prions

More specific codes for Atypical virus infections of central nervous system

  • A81.0 - Creutzfeldt-Jakob disease
    • A81.00 - Creutzfeldt-Jakob disease, unspecified
    • A81.01 - Variant Creutzfeldt-Jakob disease
    • A81.09 - Other Creutzfeldt-Jakob disease
  • A81.1 - Subacute sclerosing panencephalitis
  • A81.2 - Progressive multifocal leukoencephalopathy
  • A81.8 - Other atypical virus infections of central nervous system
    • A81.81 - Kuru
    • A81.82 - Gerstmann-Sträussler-Scheinker syndrome
    • A81.83 - Fatal familial insomnia
    • A81.89 - Other atypical virus infections of central nervous system
  • A81.9 - Atypical virus infection of central nervous system, unspecified
See also ICD 10 code for
Back to A81
See the 2017 ICD-10-CM Coding Guidelines.

Questions related to A81 Atypical virus infections of central nervous system

When ICD 10 was implemented on October 1, 2015, it did not affect physicians', outpatient facilities', and hospital outpatient departments' use of CPT codes on Medicare Fee-For-Service claims. Providers should continue to use CPT codes to report these services.