35508 Artery byp graft carotid-vertbrl
Also known as: carotid-vertebral bypass, CV bypass
Arterial bypass graft from carotid to vertebral artery with restoration of posterior circulation perfusion.
In Plain Language
Bypass from front neck artery to back neck artery; Restoring blood flow to back of brain
Clinical Context
Revascularization for symptomatic vertebral artery stenosis or occlusion causing posterior circulation ischemic symptoms. Less commonly performed than carotid-carotid bypass.
RVU Breakdown
| Work RVU | 25.44 |
| Total RVU | 25.44 |
Est. Medicare Payment
National estimate based on 2026 CMS PFS Conversion Factor ($33.40). Actual payment varies by locality (GPCI adjustment).
Billing & Documentation
As a surgical CPT code, proper documentation must include the operative report detailing the procedure performed, patient positioning, approach, findings, and any complications. This code has a 90-day global period, which includes the day of the procedure, 1 day preoperative, and 90 days of postoperative care. Ensure the diagnosis code (ICD-10) supports medical necessity for the procedure.
How This Code Compares
With a work RVU of 25.44, this code ranks in the 89th percentile among Surgery codes — 3.2x the median (8.00). The highest wRVU in this category is 106.19.
Specialties
Frequently Asked Questions
What is CPT code 35508?
CPT 35508 (Artery byp graft carotid-vertbrl) is a Surgery code. Arterial bypass graft from carotid to vertebral artery with restoration of posterior circulation perfusion.
What is the wRVU value for CPT 35508?
The work RVU for CPT 35508 is 25.44. This code is primarily used by Vascular Surgery, Neurosurgery, General Surgery. It has a 90-day global period.
When is CPT 35508 used?
Revascularization for symptomatic vertebral artery stenosis or occlusion causing posterior circulation ischemic symptoms. Less commonly performed than carotid-carotid bypass.
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CPT® is a registered trademark of the American Medical Association. Data sourced from CMS Physician Fee Schedule RVU26A. Descriptions, synonyms, and clinical context are original content by RVU Edge.