A80-A89: Viral and prion infections of the central nervous system

ICD-10-CM 2027 block A80-A89 in chapter 1 (Certain infectious and parasitic diseases) has 10 categories.

Block notes

Excludes1 (not coded here):
  • postpolio syndrome (G14)
  • sequelae of poliomyelitis (B91)
  • sequelae of viral encephalitis (B94.1)