Emergency: 119
AMDA-IMIC

I51..0 Cardiac septal defect, acquired

Billable

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

Includes

  • Acquired septal atrial defect (old)
  • Acquired septal auricular defect (old)
  • Acquired septal ventricular defect (old)

Excludes 1 (cannot be coded together)

  • cardiac septal defect as current complication following acute myocardial infarction (I23.1, I23.2)

Last reviewed: September 2026