ICD-10-CM · Chapter 9

I51..7 Cardiomegaly

Billable

← I51 — Complications and ill-defined descriptions of heart disease Chapter 9: I00-I99

Includes

Cardiac dilatation
Cardiac hypertrophy
Ventricular dilatation

Excludes 1 (cannot be coded together)

cardiomegaly due to hypertension (I11.-)
cardiomegaly due to hypertension and chronic kidney disease (I13.-)

Last reviewed: September 2026