J09.X3
BillableInfluenza due to identified novel influenza A virus with gastrointestinal manifestations
J09.X3 is the ICD-10-CM code for Influenza due to identified novel influenza A virus with gastrointestinal manifestations. It is a billable, specific code valid for reimbursement.
J00-J99 Diseases of the respiratory system
What this means — in plain language
MedlinePlus · NIHWhat is the flu? The flu, also called influenza, is a respiratory infection caused by viruses. Each year, millions of Americans get sick with the flu. Sometimes it causes mild illness. But it can also be serious or even deadly, especially for people over 65, newborn babies, and people with certain chronic illnesses. What causes the flu? The flu is caused by flu viruses that spread from person to person. When someone…
Read more about Flu at MedlinePlus ↗Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.
Includes
- •Influenza due to identified novel influenza A virus gastroenteritis
Excludes1 — not coded here
- •'intestinal flu' [viral gastroenteritis] (A08.-)
Frequently asked questions
- What is ICD-10 code J09.X3?
- J09.X3 is the ICD-10-CM code for "Influenza due to identified novel influenza A virus with gastrointestinal manifestations". It falls under J00-J99 Diseases of the respiratory system.
- Is J09.X3 a billable code?
- Yes — J09.X3 is a billable, specific ICD-10-CM code valid for reimbursement.
- What is excluded from J09.X3?
- Excludes1 (not coded here): 'intestinal flu' [viral gastroenteritis] (A08.-).
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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