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I01 Rheumatic fever with heart involvement

ICD-10-CM category I01 sits in Chapter 9 (Diseases of the circulatory system, I00-I99). It contains 5 billable codes for FY2027, effective October 1, 2026 to September 30, 2027. Always code to the most specific code available: a code with more characters that describes the diagnosis more precisely takes priority over a shorter one.

Billable codes in I01

CodeDescription
I01.0Acute rheumatic pericarditis
I01.1Acute rheumatic endocarditis
I01.2Acute rheumatic myocarditis
I01.8Other acute rheumatic heart disease
I01.9Acute rheumatic heart disease, unspecified

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