A99 Unspecified viral hemorrhagic fever

Billable ICD-10-CM code, FY2026. Acts as a Complication or Comorbidity (CC) as a secondary diagnosis.

MS-DRG index

Defines the logic of DRG(s) 865-866 in MDC 18.

Approximate ICD-9-CM (GEMs)

• 065.9 Arthropod-borne hemorrhagic fever, unspecified (approximate)

Diagnosis Index entries for A99

• Fever (inanition) (of unknown origin) (persistent) (with chills) (with rigor) › hemorrhagic (arthropod-borne) NOS › viral

Nearby codes

• A99 Unspecified viral hemorrhagic fever (this code)