I51 Complications and ill-defined descriptions of heart disease
ICD-10-CM category I51 sits in Chapter 9 (Diseases of the circulatory system, I00-I99). It contains 10 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.
Subcategories
I51.8 Other ill-defined heart diseases
Billable codes in I51
| Code | Description |
|---|---|
I51.0 | Cardiac septal defect, acquired |
I51.1 | Rupture of chordae tendineae, not elsewhere classified |
I51.2 | Rupture of papillary muscle, not elsewhere classified |
I51.3 | Intracardiac thrombosis, not elsewhere classified |
I51.4 | Myocarditis, unspecified |
I51.5 | Myocardial degeneration |
I51.7 | Cardiomegaly |
I51.81 | Takotsubo syndrome |
I51.89 | Other ill-defined heart diseases |
I51.9 | Heart disease, unspecified |
Search within ICD-10-CM for I51 and related codes
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