I51.5
ICD-10BillableMyocardial degeneration
Official ICD-10-CM descriptor (FY2026)
Myocardial degeneration
I51.5 is valid for submission on a claim — CMS flags it as a billable, specific code.
Inclusion terms
- Fatty degeneration of heart or myocardium
- Myocardial disease
- Senile degeneration of heart or myocardium
Excludes1
Not coded here. An Excludes1 code should never be reported at the same time as the code above it.
- myocardial degeneration due to hypertension (I11.-)
- myocardial degeneration due to hypertension and chronic kidney disease (I13.-)
Related codes in I51
- 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
- I51.7Cardiomegaly
- I51.8Other ill-defined heart diseasescategory
- I51.9Heart disease, unspecified
Where this code sits
- Parent code
- I51
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.