745.9 is a billable ICD-9-CM medical code that can be used to specify a diagnosis on a reimbursement claim.
Diagnosis Definition(s)
defects in the cardiac septa, resulting in abnormal communications between the opposite chambers of the heart that exist at, and usually before, birth regardless of their causation.
Also applicable to/known as
Septal defect NOS
ICD-9-CM Volume 2 Index Entries That Refer To 745.9