J11: Influenza due to unidentified influenza virus

Codes under J11 (Influenza due to unidentified influenza virus). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.

Code	Description	Billable
J11.0	Influenza due to unidentified influenza virus with pneumonia	—
J11.00	Influenza due to unidentified influenza virus with unspecified type of pneumonia	✓
J11.1	Influenza due to unidentified influenza virus with other respiratory manifestations	✓
J11.2	Influenza due to unidentified influenza virus with gastrointestinal manifestations	✓
J11.08	Influenza due to unidentified influenza virus with specified pneumonia	✓
J11.8	Influenza due to unidentified influenza virus with other manifestations	—
J11.81	Influenza due to unidentified influenza virus with encephalopathy	✓
J11.82	Influenza due to unidentified influenza virus with myocarditis	✓
J11.83	Influenza due to unidentified influenza virus with otitis media	✓
J11.89	Influenza due to unidentified influenza virus with other manifestations	✓

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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.

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