J18 vs J82
J18 (Pneumonia, unspecified organism) 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. J18 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
| J18Pneumonia, unspecified organism | J82Pulmonary eosinophilia, not elsewhere classified | |
|---|---|---|
| Billing status | Non-billable header | Non-billable header |
| Classification | J00-J99 — Diseases of the Respiratory System (J00-J99) | J00-J99 — Diseases of the Respiratory System (J00-J99) |
| Definition | Pneumonia, unspecified organism is a non-billable ICD-10-CM category code (J18). | 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.-) | — |
| Code first | , if applicable, associated influenza (J09.X1, J10.0-, J11.0-) | — |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources