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ICD-10-CM 2027

ICD-10 code for atrioventricular anomaly

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

From the official ICD-10-CM alphabetic index entry “Anomaly, anomalous (congenital) (unspecified type) › atrioventricular”. Page updated September 29, 2026.

About coding atrioventricular anomaly

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

More specific atrioventricular anomaly codes (official index)

  • excitation I45.6 — Pre-excitation syndrome
  • septum Q21.0 — Ventricular septal defect

Common questions about atrioventricular anomaly ICD-10 codes

What is the ICD-10 code for excitation atrioventricular anomaly?

I45.6 — Pre-excitation syndrome.

What is the ICD-10 code for septum atrioventricular anomaly?

Q21.0 — Ventricular septal defect.