ICD10Check
CheckerBrowseOpen

I51.0

✓ Billable

Cardiac septal defect, acquired

Diseases of the circulatory system (I00-I99)

Check This Code

Also Known As

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

❌ Excludes1

direct

Cannot be coded with I51.0

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

⚠️ Excludes2

inherited from I51

Rules from parent category I51: Complications and ill-defined descriptions of heart disease

  • • heart disease specified as rheumatic (I00-I09)

🧪 Validate Combinations

Add I51.0 to the Excludes Checker to validate against your full code list.

Open in Checker →

Code Information

CodeI51.0
BillableYes
ParentI51
CategoryDiseases of the circulatory system (I00-I99)
Excludes11 rule(s)
Excludes21 note(s)

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)