Chronic rheumatic heart diseases (I05-I09) ICD-10-CM
The I05–I09 section covers chronic rheumatic heart diseases with 33 ICD-10-CM diagnosis codes, of which 27 are billable in fiscal year 2027. The section is organized into the 5 code ranges listed below.
Code Ranges in This Section 5 ranges · 33 codes
The info icon previews the code ranges inside each row and its instructional notations from the official Tabular List.
About the I05–I09 Code Range
Chronic rheumatic heart disease in this block involves heart valves, the heart muscle, or the heart’s inner or outer lining.
The valve categories separate disease by location: I05 is for the mitral valve, I06 for the aortic valve, and I07 for the tricuspid valve. Each distinguishes narrowing, leakage, both, and other or unspecified valve disease.
I08 groups disease involving multiple valves by which valves are affected. I09 includes rheumatic disease of the heart muscle or its inner or outer lining, along with other and unspecified rheumatic heart disease.
Questions About This Page
How many codes are in the I05-I09 range?
The I05-I09 range contains 33 ICD-10-CM diagnosis codes in FY 2027. 27 of them are billable, and the rest are category headers that organize the section.
What conditions does I05-I09 cover?
The range covers chronic rheumatic heart diseases. The code ranges listed above break it into groups of related conditions, and each one links to its own page with the full code list.
Related References
Source: CMS FY 2027 ICD-10-CM Tabular List and order file, effective October 1, 2026 through September 30, 2027.
