2025
ICD-10-CM
Diagnosis
Code

I31.31 Malignant pericardial effusion in diseases classified elsewhere

  • Billable
  • 2023–2025

I31.31 is a billable/specific diagnosis code from the 2025 ICD-10-CM used to classify the following condition: Malignant pericardial effusion in diseases classified elsewhere.

Code first

  • Underlying neoplasm (C00-D49)

Versions

  1. 2025

    No changes

  2. 2024

    No changes

  3. 2023

    New code