Unspecified viral hemorrhagic fever (A99) ICD-10-CM
The A99 code range covers unspecified viral hemorrhagic fever with 1 ICD-10-CM diagnosis codes. 1 of them are billable and valid for claim submission in fiscal year 2026, and the category headers group them but cannot themselves be billed.
Codes in the A99 Range 1 codes · 1 billable
- A99 Unspecified viral hemorrhagic fever
About the A99 Code Range
ICD-10 code A99 is used to classify cases of unspecified viral hemorrhagic fever, a serious viral infection characterized by bleeding and fever. This code applies when the exact virus causing the hemorrhagic fever is not identified.
The term viral hemorrhagic fever refers to a group of illnesses caused by several viruses, which result in fever and bleeding disorders. When a specific virus is not determined, the ICD-10 code A99 is used to document these cases. This code helps healthcare providers and coders report viral hemorrhagic fevers that remain unspecified due to limited diagnostic information, ensuring proper tracking and management of these infections in medical records. Understanding and using this code appropriately supports accurate reporting of viral hemorrhagic fever conditions where further detail about the viral cause is unavailable.
Questions About This Page
How many billable codes are in the A99 range?
Of the 1 codes in this range, 1 are billable and valid for claim submission from October 1, 2025 through September 30, 2026. Category header codes group them but cannot be reported on claims.
What does the A99 range classify?
The range classifies unspecified viral hemorrhagic fever. Each code links to its own reference page with billing status, MS-DRG grouping, coding notes, and clinical information.
Related References
Source: CMS FY 2026 ICD-10-CM Tabular List and order file, effective October 1, 2025 through September 30, 2026.
