J09: Influenza due to certain identified influenza viruses

Codes under J09 (Influenza due to certain identified influenza viruses). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.

Code	Description	Billable
J09.X	Influenza due to identified novel influenza A virus	—
J09.X1	Influenza due to identified novel influenza A virus with pneumonia	✓
J09.X2	Influenza due to identified novel influenza A virus with other respiratory manifestations	✓
J09.X3	Influenza due to identified novel influenza A virus with gastrointestinal manifestations	✓
J09.X9	Influenza due to identified novel influenza A 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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