CPT® Code 35122

Direct repair of aneurysm, pseudoaneurysm, or excision (partial or total) and graft insertion, with or without patch graft; for ruptured aneurysm, hepatic, celiac, renal, or mesenteric artery

The CPT® Code 35122 refers to the surgical procedure involving the direct repair of an aneurysm or pseudoaneurysm, specifically targeting the hepatic, celiac, renal, or mesenteric arteries. An aneurysm is characterized by an abnormal enlargement or dilation of an artery, which can arise from various causes such as arteriosclerosis, mechanical obstruction, or malposition of the artery. Less frequently, conditions like syphilis, tuberculosis, or fibromuscular dysplasia may also contribute to the formation of an aneurysm. In contrast, a pseudoaneurysm is a hematoma that forms in direct communication with the artery wall but does not involve all three layers of the arterial wall, typically resulting from trauma or procedural complications. The surgical intervention described in this code involves either direct repair or excision of the aneurysm, with the potential for graft insertion, which may include the use of a patch graft. This procedure is critical in emergency situations, particularly when dealing with a ruptured aneurysm, where immediate action is necessary to control bleeding and restore vascular integrity.