I51.5 – Myocardial degeneration

ICD-10-CM 2027 diagnosis code · Other forms of heart disease

Billable code

ICD-10-CM code I51.5
Code
I51.5 (claims format: I515)
Description
Myocardial degeneration
Billable
Yes – valid for HIPAA-covered transactions
Valid for
Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter
9. Diseases of the circulatory system (I00-I99)
Block
I30-I5A Other forms of heart disease
Parent codes
I51

Notes for I51.5

Applicable to:
  • Fatty degeneration of heart or myocardium
  • Myocardial disease
  • Senile degeneration of heart or myocardium
Excludes1 (not coded here):
  • myocardial degeneration due to hypertension (I11.-)
  • myocardial degeneration due to hypertension and chronic kidney disease (I13.-)

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

I51 – Complications and ill-defined descriptions of heart disease

Excludes2 (not included here):
  • heart disease specified as rheumatic (I00-I09)

Index terms for I51.5

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in I51

Frequently asked questions

What is ICD-10 code I51.5?

I51.5 is the ICD-10-CM code for myocardial degeneration, in the block I30-I5A (Other forms of heart disease).

Is I51.5 a billable code?

Yes. I51.5 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does I51.5 belong to?

It belongs to category I51 – Complications and ill-defined descriptions of heart disease.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.