ICD-10-CM

R509

Fever, unspecified

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

Fever and Inflammatory Conditions

864

Enter R509 as the principal diagnosis to see the DRG and its relative weight.