J11.8
Non-billableInfluenza due to unidentified influenza virus with other manifestations
J11.8 is the ICD-10-CM code for Influenza due to unidentified influenza virus with other manifestations. It is a non-billable category code — use a more specific child code such as J11.81 for billing.
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.
Medications indicated for this condition
FDA labeling- Oseltamivir›
- Anas Barbariae, Hepatis Et Cordis Extractum, Influenzinum›
- Anas Barbarie Hepatis Et Cordis Extractum›
- Oseltamavir Phosphate›
Drugs whose FDA labeling lists this condition's category among its indications. Informational only — not a treatment recommendation or medical advice.
Conditions mapped to this code
MedlinePlus · NIHPlain-language health-topic references grounded in MedlinePlus (NIH/NLM).
Frequently asked questions
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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