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Q21. 12 - Patent foramen ovale | ICD-10-CM.
Idaho Subscriber Answer: For patent foramen ovale (PFO) and atrial septal defect (ASD) closure, you should assign 93580 (Percutaneous transcatheter closure of congenital interatrial communication i.e., Fontan ...
However, although clinically very different, atrial septal defects (ASD) and patent foramen ovale (PFO) share a single diagnostic code (ICD-9: 745.5, ICD-10: Q21. 1).
PFO means that you have a small opening between the right and left atria of the heart. This opening normally closes soon after birth. But in many people, it does not. PFO itself usually does not cause any symptoms. PFO can occasionally result in complications.
†Patent foramen ovale (PFO) patients are assigned the same International Classification of Disease (ICD) codes (ICD-9: 745.5, ICD- 10: Q21. 1) as ostium secundum type atrial septal defects (ASD).
Definition. Patent foramen ovale (PFO) is a hole between the left and right atria (upper chambers) of the heart. This hole exists in everyone before birth, but most often closes shortly after being born. PFO is what the hole is called when it fails to close naturally after a baby is born.
CPT® Code 33641 - Repair Procedures for Septal Defect - Codify by AAPC.
A PFO is an atrial septal defect. These defects are normally repaired via catheter using a closure device such as CardioSEALs Septal Occluder. If the physician repaired the defect using a catheter, the correct CPT code is 93580.
Q21. 12 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM Q21.