J90

Billable

Pleural effusion, not elsewhere classified

J90 is the ICD-10-CM code for Pleural effusion, not elsewhere classified. It is a billable, specific code valid for reimbursement.

Status
Billable
Chapter
J00-J99
Edition
FY2026

J00-J99 Diseases of the respiratory system

What this means — in plain language

MedlinePlus · NIH

Your pleura is a large, thin sheet of tissue that wraps around the outside of your lungs and lines the inside of your chest cavity. Between the layers of the pleura is a very thin space. Normally it's filled with a small amount of fluid. The fluid helps the two layers of the pleura glide smoothly past each other as your lungs breathe air in and out. Disorders of the pleura include: Pleurisy - inflammation of the…

Read more about Pleural Disorders at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

Includes

  • Encysted pleurisy
  • Pleural effusion NOS
  • Pleurisy with effusion (exudative) (serous)

Excludes1 — not coded here

  • 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?
J90 is the ICD-10-CM code for "Pleural effusion, not elsewhere classified". It falls under J00-J99 Diseases of the respiratory system.
Is J90 a billable code?
Yes — J90 is a billable, specific ICD-10-CM code valid for reimbursement.
What is excluded from J90?
Excludes1 (not coded here): chylous (pleural) effusion (J94.0); malignant pleural effusion (J91.0)); pleurisy NOS (R09.1); tuberculous pleural effusion (A15.6).

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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