J90
✓ Billable
Pleural effusion, not elsewhere classified
ICD-10-CM · FY2026 · Diseases of the Respiratory System
Code
J90
System
ICD-10-CM
Billable
Yes — valid for submission
Effective
FY2026
Chapter
Diseases of the Respiratory System
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Official coding notes
From CMS's ICD-10-CM Tabular List.
Also known as
- Encysted pleurisy
- Pleural effusion NOS
- Pleurisy with effusion (exudative) (serous)
Excludes1 — never code together
- chylous (pleural) effusion (J94.0)
- malignant pleural effusion (J91.0))
- pleurisy NOS (R09.1)
- tuberculous pleural effusion (A15.6)
Frequently asked questions
What is ICD-10 code J90?
ICD-10-CM code J90 represents Pleural effusion, not elsewhere classified. It is a billable diagnosis code in the Diseases of the Respiratory System chapter, effective October 1, 2025 – September 30, 2026.
Is J90 billable?
Yes. J90 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is J90 in?
J90 belongs to the Diseases of the Respiratory System chapter (J00–J99) of ICD-10-CM.
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