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ICD-10-CM category I09: Other rheumatic heart diseases

Category I09 is a heading in chapter 9 (Diseases of the circulatory system (I00-I99)), section Chronic rheumatic heart diseases (I05-I09). It is not billable; report one of the 6 complete codes below.

Billable codes in I09

Billable FY2027 ICD-10-CM codes in category I09
CodeDescription
I09.0Rheumatic myocarditis
I09.1Rheumatic diseases of endocardium, valve unspecified
I09.2Chronic rheumatic pericarditis
I09.81Rheumatic heart failure
I09.89Other specified rheumatic heart diseases
I09.9Rheumatic heart disease, unspecified

Sources

Every figure on this page is taken from the CMS publications below, as released by the Centers for Medicare & Medicaid Services. Projection built 2026-10-10. Verify against the primary file before billing or contracting decisions. The reference methodology explains how each figure is computed from these files.

Codes from the FY2027 ICD-10-CM files (all chapters). Report the code that matches the documentation and the Official Guidelines; this list is not coding advice.