I51
I51: Complications and ill-defined descriptions of heart disease
Non-billable headerICD-10-CM
I51 is a non-billable header ICD-10-CM code for complications and ill-defined descriptions of heart disease. It cannot be billed on its own: choose one of the more specific child codes below.
Other codes that can never be billed with I51
Their own Excludes1 notes name this code, so the conflict is not listed above.
- I09.0Rheumatic myocarditis
- I23.1Atrial septal defect as current complication following acute myocardial infarction
- I23.2Ventricular septal defect as current complication following acute myocardial infarction
- I23.4Rupture of chordae tendineae as current complication following acute myocardial infarction
- I23.5Rupture of papillary muscle as current complication following acute myocardial infarction
- I23.6Thrombosis of atrium, auricular appendage, and ventricle as current complications following acute myocardial infarction
- Q21Congenital malformations of cardiac septa
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Code history
Unchanged in every release from FY2024 to FY2027.
Code to one of these instead I51
9 child codes. Green means billable.
- I51.0Cardiac septal defect, acquired
- I51.1Rupture of chordae tendineae, not elsewhere classified
- I51.2Rupture of papillary muscle, not elsewhere classified
- I51.3Intracardiac thrombosis, not elsewhere classified
- I51.4Myocarditis, unspecified
- I51.5Myocardial degeneration
- I51.7Cardiomegaly
- I51.8Other ill-defined heart diseases
- I51.9Heart disease, unspecified