ICD-10-CM code "A81": Atypical virus infections of central nervous system (2024)

Overview

ICD-10 CodeA81
DescriptionAtypical virus infections of central nervous system
Hierarchy
  1. Certain infectious and parasitic diseases (A00-B99)
  2. Viral and prion infections of the central nervous system (A80-A89)
  3. Atypical virus infections of central nervous system (A81)
Billable statusNon billable code

Excludes

  1. Certain infectious and parasitic diseases (A00-B99)

    Type 1certain localized infections - see body system-related chapters

    Type 2carrier or suspected carrier of infectious disease (Z22.-)

    Type 2infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-)

    Type 2infectious and parasitic diseases specific to the perinatal period (P35-P39)

    Type 2influenza and other acute respiratory infections (J00-J22)

  2. Viral and prion infections of the central nervous system (A80-A89)

    Type 1postpolio syndrome (G14)

    Type 1sequelae of poliomyelitis (B91)

    Type 1sequelae of viral encephalitis (B94.1)

  3. Atypical virus infections of central nervous system (A81)

Includes

  1. Certain infectious and parasitic diseases (A00-B99)

    Includesdiseases generally recognized as communicable or transmissible

  2. Viral and prion infections of the central nervous system (A80-A89)
  3. Atypical virus infections of central nervous system (A81)

    Includesdiseases of the central nervous system caused by prions