J11 vs P24
J11 (Influenza due to unidentified influenza virus) compared with P24 (Neonatal aspiration), 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 P24: “neonatal aspiration pneumonia (P24.-)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| J11Influenza due to unidentified influenza virus | P24Neonatal aspiration | |
|---|---|---|
| Billing status | Non-billable header | Non-billable header |
| Classification | J00-J99 — Diseases of the Respiratory System (J00-J99) | P00-P96 — Certain Conditions Originating in the Perinatal Period (P00-P96) |
| Definition | Influenza due to unidentified influenza virus is a non-billable ICD-10-CM category code (J11). | Neonatal aspiration is a non-billable ICD-10-CM category code (P24). |
| Includes | — | aspiration in utero and during delivery |
| Use additional code | code, if applicable, to identify resistance to antimicrobial drugs (Z16.-) | — |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources