A91

Billable

Dengue hemorrhagic fever

A91 is the ICD-10-CM code for Dengue hemorrhagic fever. It is a billable, specific code valid for reimbursement.

Status
Billable
Chapter
A00-B99
Edition
FY2026

A00-B99 Certain infectious and parasitic diseases

What this means — in plain language

MedlinePlus · NIH

What is dengue? Dengue is a viral infection . It can be caused by four related viruses. You can get it if an infected mosquito bites you. It is common in warm, wet areas of the world. Although rare, it can be found in some parts of the United States. Outbreaks are more common during rainy seasons. How does dengue spread? Dengue spreads to people through the bite of an infected mosquito. It does not spread directly…

Read more about Dengue at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

No additional coding notes for this code.

Frequently asked questions

What is ICD-10 code A91?
A91 is the ICD-10-CM code for "Dengue hemorrhagic fever". It falls under A00-B99 Certain infectious and parasitic diseases.
Is A91 a billable code?
Yes — A91 is a billable, specific ICD-10-CM code valid for reimbursement.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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