ICD-10-CM I39: Endocarditis and heart valve disorders in diseases classified elsewhere

ICD-10-CM Diagnosis Code (2025)

Official Description for I39

Endocarditis and heart valve disorders in diseases classified elsewhere

Coding Notes & Guidelines for I39

Excludes1: Not Coded Here
  • endocardial involvement in:
  • candidiasis (B37.6)
  • gonococcal infection (A54.83)
  • Libman-Sacks disease (M32.11)
  • listerosis (A32.82)
  • meningococcal infection (A39.51)
  • rheumatoid arthritis (M05.31)
  • syphilis (A52.03)
  • tuberculosis (A18.84)
  • typhoid fever (A01.02)
Code First
  • underlying disease, such as:
  • Q fever (A78)

About ICD-10-CM Code I39 (Endocarditis and heart valve disorders in diseases classified elsewhere)

ICD-10-CM code I39 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 I39 became effective on October 1, 2024.

This page provides detailed information about I39 - Endocarditis and heart valve disorders in diseases 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 Endocarditis and heart valve disorders in diseases classified elsewhere.