A98
ICD-10Non-billable categoryOther viral hemorrhagic fevers, not elsewhere classified
Official ICD-10-CM descriptor (FY2026)
Other viral hemorrhagic fevers, not elsewhere classified
A98 is a category heading, not a billable code. CMS does not accept it on a claim; report one of the more specific codes beneath it.
Excludes1
Not coded here. An Excludes1 code should never be reported at the same time as the code above it.
- chikungunya hemorrhagic fever (A92.0)
- dengue hemorrhagic fever (A91)
More specific codes under A98
Where this code sits
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.