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ICD-10-CM 2027

ICD-10 code for Cardiomegaly

Choose a code from the options below based on the documentation.

From the official ICD-10-CM alphabetic index entry “Cardiomegaly”. Page updated September 29, 2026.

About coding Cardiomegaly

The official ICD-10-CM index doesn't give a single default code for cardiomegaly; the code depends on the details below.

More specific Cardiomegaly codes (official index)

  • congenital Q24.8 — Other specified congenital malformations of heart
  • glycogen E74.02 — Pompe disease
  • idiopathic I51.7 — Cardiomegaly

Common questions about Cardiomegaly ICD-10 codes

What is the ICD-10 code for congenital cardiomegaly?

Q24.8 — Other specified congenital malformations of heart.

What is the ICD-10 code for glycogen cardiomegaly?

E74.02 — Pompe disease.

What is the ICD-10 code for idiopathic cardiomegaly?

I51.7 — Cardiomegaly.