ICD-10-CM I09: Other rheumatic heart diseases

ICD-10-CM Diagnosis Code (2025)

Official Description for I09

Other rheumatic heart diseases

Coding Notes & Guidelines for I09

Excludes1: Not Coded Here

myocarditis not specified as rheumatic (I51.4)

Excludes1: Not Coded Here

endocarditis, valve unspecified (I38)

Excludes1: Not Coded Here

chronic pericarditis not specified as rheumatic (I31.-)

Excludes1: Not Coded Here

rheumatoid carditis (M05.31)

Use Additional Code

code to identify type of heart failure (I50.-)

Inclusion Terms
  • Rheumatic endocarditis (chronic)
  • Rheumatic valvulitis (chronic)
Inclusion Terms
  • Adherent pericardium, rheumatic
  • Chronic rheumatic mediastinopericarditis
  • Chronic rheumatic myopericarditis
Inclusion Terms

Rheumatic disease of pulmonary valve

Inclusion Terms

Rheumatic carditis

Child Codes (More Specific Codes for I09):

I09.0 - Rheumatic myocarditis I09.1 - Rheumatic diseases of endocardium, valve unspecified I09.2 - Chronic rheumatic pericarditis I09.8 - Other specified rheumatic heart diseases I09.81 - Rheumatic heart failure I09.89 - Other specified rheumatic heart diseases I09.9 - Rheumatic heart disease, unspecified

About ICD-10-CM Code I09 (Other rheumatic heart diseases)

ICD-10-CM code I09 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 I09 became effective on October 1, 2024.

This page provides detailed information about I09 - Other rheumatic heart diseases. 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 Other rheumatic heart diseases.