A98.1
✓ Billable
Omsk hemorrhagic fever
ICD-10-CM · FY2026 · Certain Infectious and Parasitic Diseases
Code
A98.1
System
ICD-10-CM
Billable
Yes — valid for submission
Effective
FY2026
Chapter
Certain Infectious and Parasitic Diseases
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code A98.1?
ICD-10-CM code A98.1 represents Omsk hemorrhagic fever. It is a billable diagnosis code in the Certain Infectious and Parasitic Diseases chapter, effective October 1, 2025 – September 30, 2026.
Is A98.1 billable?
Yes. A98.1 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is A98.1 in?
A98.1 belongs to the Certain Infectious and Parasitic Diseases chapter (A00–B99) of ICD-10-CM.
Related codes in the A98 category
A98
Other viral hemorrhagic fevers, not elsewhere classified
Non-billable
A98.0
Crimean-Congo hemorrhagic fever
Billable
A98.2
Kyasanur Forest disease
Billable
A98.3
Marburg virus disease
Billable
A98.4
Ebola virus disease
Billable
A98.5
Hemorrhagic fever with renal syndrome
Billable
A98.8
Other specified viral hemorrhagic fevers
Billable
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