ICD-10-CM

A9231

West Nile virus infection with encephalitis

V44.0 MDC 18

Assigns to MDC 18

One MDC, with the conditional pathways below listed separately.

MDC 18 Infectious and Parasitic Diseases, Systemic or Unspecified Sites

Viral Illness

865 866

Enter A9231 as the principal diagnosis to see the DRG and its relative weight.