J11 vs J82

J11 (Influenza due to unidentified influenza virus) compared with J82 (Pulmonary eosinophilia, not elsewhere classified), from the official CMS tabular data. Both may be reported when both conditions are documented (Excludes2).

Can these codes be reported together?

Yes, when both are documented. J11 carries an Excludes2 note covering J82: “allergic or eosinophilic pneumonia (J82)”

Excludes2 marks distinct conditions — both may be reported when both are documented.

Side by side

	J11Influenza due to unidentified influenza virus	J82Pulmonary eosinophilia, not elsewhere classified
Billing status	Non-billable header Report instead: J11.00, J11.08, J11.1, J11.2, J11.81	Non-billable header Report instead: J82.81, J82.82, J82.83, J82.89
Classification	J00-J99 — Diseases of the Respiratory System (J00-J99)	J00-J99 — Diseases of the Respiratory System (J00-J99)
Definition	Influenza due to unidentified influenza virus is a non-billable ICD-10-CM category code (J11).	Pulmonary eosinophilia, not elsewhere classified is a non-billable ICD-10-CM category code (J82).
Use additional code	code, if applicable, to identify resistance to antimicrobial drugs (Z16.-)	—

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Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources