ICD-10-CM J91: Pleural effusion in conditions classified elsewhere

ICD-10-CM Diagnosis Code (2025)

Official Description for J91

Pleural effusion in conditions classified elsewhere

Coding Notes & Guidelines for J91

Excludes2: Not Included Here
  • pleural effusion in heart failure (I50.-)
  • pleural effusion in systemic lupus erythematosus (M32.13)
Code First

underlying neoplasm (C00-D49)

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

Child Codes (More Specific Codes for J91):

About ICD-10-CM Code J91 (Pleural effusion in conditions classified elsewhere)

ICD-10-CM code J91 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM J91 became effective on October 1, 2024.

This page provides detailed information about J91 - Pleural effusion in conditions classified elsewhere. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Pleural effusion in conditions classified elsewhere.