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J91

⚠ Non-billable (Header)

Pleural effusion in conditions classified elsewhere

Diseases of the respiratory system (J00-J99)

⚠️ This is a category header code — not billable. Use a more specific child code below.

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⚠️ Excludes2

direct

May be coded together if both conditions coexist

  • • pleural effusion in heart failure (I50.-)
  • • pleural effusion in systemic lupus erythematosus (M32.13)

Child Codes (2)

J91.0Malignant pleural effusionJ91.8Pleural effusion in other conditions classified elsewhere

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Code Information

CodeJ91
BillableNo — Header code
CategoryDiseases of the respiratory system (J00-J99)
Excludes10 rule(s)
Excludes22 note(s)
Child codes2

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)