ICD-10-CM · Chapter 10 · J00-J99
J90 Pleural effusion, not elsewhere classified
Includes
- Encysted pleurisy
- Pleural effusion NOS
- Pleurisy with effusion (exudative) (serous)
Excludes 1 (cannot be coded together)
- chylous (pleural) effusion (J94.0)
- malignant pleural effusion (J91.0))
- pleurisy NOS (R09.1)
- tuberculous pleural effusion (A15.6)
This category is a complete, billable diagnosis code.
No additional specificity is required — submit J90 directly on claims and documentation without a subcode extension.
Plain-language term for this code
The following entry in the US Medical Glossary corresponds to ICD-10-CM category J90:
- Pleural Effusion — Derrame pleural
Last reviewed: September 2026