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2025 CPT code 35301

Thromboendarterectomy of the carotid, vertebral, or subclavian artery, including patch graft if performed, via neck incision.

Follow all applicable CPT coding guidelines.Selective catheterizations should be coded to include introduction and all lesser-order selective catheterizations used in the approach.

Modifiers may be applicable depending on the specific circumstances of the procedure. Consult the CPT manual for appropriate modifier usage.

Medical necessity is established by the presence of significant stenosis or occlusion of the carotid, vertebral, or subclavian artery causing symptoms of ischemia (e.g., TIA, stroke, claudication).Documentation should clearly link symptoms to the stenosis/occlusion and demonstrate that conservative management is inadequate.

The surgeon is responsible for all aspects of the procedure, including pre-operative planning, incision, thromboendarterectomy, graft placement (if necessary), closure, and post-operative care.

IMPORTANT:For coronary artery thromboendarterectomy, see codes 33510-33536 and 33572.Codes 35301-35372 include saphenous or upper extremity vein harvest when performed. For additional catheterizations within the same arterial family, use 36218 or 36248. For different arterial families, code separately.For unlisted vascular procedures, use 37799.

In simple words: The doctor removes blood clots and fatty deposits from a blocked artery in the neck.This is done through a cut in the neck. Sometimes, a small piece of vein or artificial material may be used to repair the artery.

This procedure involves surgical removal of thrombus and plaque from a carotid, vertebral, or subclavian artery through a neck incision.The surgeon may use a temporary vascular shunt to maintain blood flow. A vein graft may be harvested and used as a patch graft if necessary. The procedure includes the removal of the intima (inner lining) of the artery, restoring normal arterial diameter.The artery is then closed with sutures, and the incision is closed in layers after hemostasis is achieved.

Example 1: A 65-year-old male presents with symptoms of transient ischemic attack (TIA) and is found to have significant stenosis of the left internal carotid artery. A carotid thromboendarterectomy with patch angioplasty is performed., A 72-year-old female with a history of hypertension and hyperlipidemia experiences a stroke.Angiography reveals a significant thrombus in the right vertebral artery. A vertebral artery thromboendarterectomy is performed., A 58-year-old male presents with upper extremity claudication due to subclavian artery stenosis.A subclavian artery thromboendarterectomy is performed, and a portion of the saphenous vein is harvested and used as a patch.

Preoperative diagnostic studies (e.g., carotid ultrasound, CT angiography, MRI), operative report detailing the procedure, including the extent of plaque removal, use of a shunt or graft, and postoperative course.Pathology report if a biopsy was performed.

** This code is used for thromboendarterectomy of carotid, vertebral, and subclavian arteries.The use of a patch graft is included in the code.Harvesting of a vein graft, if done, is also included.

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