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I51.0

Billable

Cardiac septal defect, acquired

I51.0 is the ICD-10-CM code for Cardiac septal defect, acquired. It is a billable, specific code valid for reimbursement.

Status
Billable
Chapter
I00-I99
Parent
I51
Edition
FY2026

I00-I99 Diseases of the circulatory system

Includes

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

Excludes1 — not coded here

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

Frequently asked questions

What is ICD-10 code I51.0?
I51.0 is the ICD-10-CM code for "Cardiac septal defect, acquired". It falls under I00-I99 Diseases of the circulatory system.
Is I51.0 a billable code?
Yes — I51.0 is a billable, specific ICD-10-CM code valid for reimbursement.
What is excluded from I51.0?
Excludes1 (not coded here): cardiac septal defect as current complication following acute myocardial infarction (I23.1, I23.2).

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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