Diagnosis Code


Code Information

Diagnosis Code: J91.0

Short Description: Malignant pleural effusion

Long Description: Malignant pleural effusion

The code J91.0 is VALID for claim submission

Code Classification:

  • Diseases of the respiratory system (J00–J99)
    • Other diseases of the pleura (J90-J94)
      • Pleural effusion in conditions classified elsewhere (J91)
        • J91.0 Malignant pleural effusion

This code is valid for manifestation diagnoses

Code Version: 2020 ICD-10-CM


  • T4: Lung tumor of any size with a malignant pleural effusion

Diagnostic Related Group(s)

The code J91.0 is grouped in the following Diagnostic Related Group(s) (MS-DRG v37.0)
  • Respiratory Neoplasms With Mcc (180)
  • Respiratory Neoplasms With Cc (181)
  • Respiratory Neoplasms Without Cc/mcc (182)

References to Index of Diseases and Injuries

The code J91.0 has the following ICD-10-CM references to the Index of Diseases and Injuries
  • Code First:
    • underlying neoplasm

Crosswalk Information

ICD-10 Code ICD-9 Code ICD-9 Description
J91.0 Right Arrow 511.81 Malignant pleural effusn

This ICD-10 to ICD-9 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-10 Code ICD-10 Description
J91 Pleural effusion in conditions classified elsewhere
J91.8 Pleural effusion in other conditions classified elsewhere

This page was last updated on: 10/1/2020