I51.5
BillableMyocardial degeneration
HCC Category Mapping
V28HCC 227 — Cardiomyopathy
0.339V24HCC 85 — Congestive Heart Failure
0.368ESRDHCC 85 — Congestive Heart Failure
0.000RxHCCHCC 186 — Heart Failure
0.000What This Code Means
Deterioration or weakening of the heart muscle tissue, leading to reduced heart function.
Coding Tips
- •Distinguish from myocarditis (inflammation) and cardiomyopathy (structural disease) based on clinical presentation
- •Document the etiology if known (ischemic, toxic, metabolic) for more specific coding
Clinical Significance
Myocardial degeneration represents progressive deterioration of heart muscle tissue, often due to aging, chronic disease, or infiltrative processes. This condition leads to impaired cardiac function and may progress to heart failure. It is distinct from ischemic cardiomyopathy and other specific forms of myocardial disease.
Documentation Requirements
- ✓Provider must document myocardial degeneration as an active diagnosis
- ✓Underlying cause if known: aging, metabolic disorders, infiltrative disease, chronic alcohol use
- ✓Cardiac function assessment including ejection fraction
- ✓Associated symptoms and functional limitations
- ✓Differentiation from specific cardiomyopathies or ischemic heart disease
- ✓Treatment plan and monitoring approach
Excludes 1 — Do NOT code together
Commonly Confused Codes
I42.0 — Dilated cardiomyopathy: specific type of cardiomyopathy with chamber dilationI42.9 — Cardiomyopathy, unspecified: unspecified cardiomyopathy, different from degenerationI25.5 — Ischemic cardiomyopathy: myocardial damage due to coronary artery diseaseI51.4 — Myocarditis, unspecified: inflammation, not degenerationI51.81 — Takotsubo syndrome: acute stress-induced cardiomyopathy, not chronic degeneration
Code Hierarchy
└I51Complications and ill-defined descriptions of heart disease└I51.5Myocardial degeneration
└I51.5Myocardial degeneration