A98.0 Crimean-Congo hemorrhagic fever

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

Applicable to

• Central Asian hemorrhagic fever

Applies from A98 Other viral hemorrhagic fevers, not elsewhere classified

Excludes1 (never code together)

• chikungunya hemorrhagic fever (A92.0)
• dengue hemorrhagic fever (A91)

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 065.0 Crimean hemorrhagic fever [CHF Congo virus]

Diagnosis Index entries for A98.0

• Crimean hemorrhagic fever
• Fever (inanition) (of unknown origin) (persistent) (with chills) (with rigor) › Central Asian hemorrhagic
• Fever (inanition) (of unknown origin) (persistent) (with chills) (with rigor) › Congo virus
• Fever (inanition) (of unknown origin) (persistent) (with chills) (with rigor) › Crimean-Congo hemorrhagic
• Fever (inanition) (of unknown origin) (persistent) (with chills) (with rigor) › hemorrhagic (arthropod-borne) NOS › Central Asian
• Fever (inanition) (of unknown origin) (persistent) (with chills) (with rigor) › hemorrhagic (arthropod-borne) NOS › Crimean-Congo

Nearby codes

• A98 Other viral hemorrhagic fevers, not elsewhere classified
• A98.0 Crimean-Congo hemorrhagic fever (this code)
• A98.1 Omsk hemorrhagic fever
• A98.2 Kyasanur Forest disease
• A98.3 Marburg virus disease
• A98.4 Ebola virus disease
• A98.5 Hemorrhagic fever with renal syndrome