J91.8

Billable

Pleural effusion in other conditions classified elsewhere

Diseases of the respiratory system (J00-J99)

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📋 Code Instructions

  • Code first: underlying disease, such as:
  • Code first: filariasis (B74.0-B74.9)
  • Code first: influenza (J09.X2, J10.1, J11.1)

⚠️ Excludes2

inherited from J91

Rules from parent category J91: Pleural effusion in conditions classified elsewhere

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

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Code Information

CodeJ91.8
BillableYes
ParentJ91
CategoryDiseases of the respiratory system (J00-J99)
Excludes10 rule(s)
Excludes22 note(s)

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)