I51.7
✓ Billable
Cardiomegaly
ICD-10-CM · FY2026 · Diseases of the Circulatory System
Code
I51.7
System
ICD-10-CM
Billable
Yes — valid for submission
Effective
FY2026
Chapter
Diseases of the Circulatory System
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code I51.7?
ICD-10-CM code I51.7 represents Cardiomegaly. It is a billable diagnosis code in the Diseases of the Circulatory System chapter, effective October 1, 2025 – September 30, 2026.
Is I51.7 billable?
Yes. I51.7 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is I51.7 in?
I51.7 belongs to the Diseases of the Circulatory System chapter (I00–I99) of ICD-10-CM.
Related codes in the I51 category
I51
Complications and ill-defined descriptions of heart disease
Non-billable
I51.0
Cardiac septal defect, acquired
Billable
I51.1
Rupture of chordae tendineae, not elsewhere classified
Billable
I51.2
Rupture of papillary muscle, not elsewhere classified
Billable
I51.3
Intracardiac thrombosis, not elsewhere classified
Billable
I51.4
Myocarditis, unspecified
Billable
I51.5
Myocardial degeneration
Billable
I51.8
Other ill-defined heart diseases
Non-billable
Search all 98,186 ICD-10-CM codes instantly
Search ICDwise →