MCMedicalCodingSoftware
J90

J90: Pleural effusion, not elsewhere classified

Billable / specific codeICD-10-CM

J90 is a billable, specific ICD-10-CM code for pleural effusion, not elsewhere classified. It is valid for submission on a claim.

Check J90 with the rest of the claim: free scrubber

Excludes1: never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

  • chylous (pleural) effusion (J94.0)
  • malignant pleural effusion (J91.0))
  • pleurisy NOS (R09.1)
  • tuberculous pleural effusion (A15.6)

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

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

Other codes that can never be billed with J90

Their own Excludes1 notes name this code, so the conflict is not listed above.

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

J90 is named in 8 Medicare coverage policies: 8 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A56464Billing and Coding: Flow Cytometry
  • A56580Billing and Coding: Computerized Axial Tomography (CT), Thorax
  • A56717Billing and Coding: Respiratory Therapy (Respiratory Care)
  • A56730Billing and Coding: Respiratory Therapy and Oximetry Services

Alphabetic index entries that lead here

  • Effusion›pleura, pleurisy, pleuritic, pleuropericardial
  • Pleurisy›pneumococcal
  • Pleurisy›streptococcal
  • Pleurisy›with›effusion

Code history

Unchanged in every release from FY2024 to FY2027.

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.