No office rate
Choose 35501 for a carotid-to-carotid bypass on the same side; 35509 identifies the contralateral carotid configuration.
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CMS RVU26D · Effective 2026-10-01
35501 Carotid bypass Medicare reimbursement rates in Texas
Reports an autogenous vein bypass between carotid artery segments on the same side to route blood around a diseased, injured, or obstructed segment. Compare 35501 office and facility rates across CMS payment localities in Texas.
Amounts below use the non-QP conversion factor for participating physicians. These are base physician payments before claim-level adjustments, not patient costs or total hospital charges.
What does Medicare pay for 35501 in Texas?
Texas has 8 payment localities in this comparison. Use the service location to choose the applicable amount. These are the supported base rates for the 8 payment areas shown below, using the same CMS release.
Office / nonfacility
No supported rate
These are locality ranges, not averages or address-specific quotes. A facility-setting amount covers the physician service; it does not include a hospital’s separate bill. Choose a locality below to inspect its calculation, compare other payment areas, or price a percentage of Medicare.
Where 35501 pays more and less in Texas
Vascular surgery
About 35501: Ipsilateral carotid vein bypass
Reports an autogenous vein bypass between carotid artery segments on the same side to route blood around a diseased, injured, or obstructed segment.
A vascular surgeon uses a vein graft to create a new blood-flow route between carotid artery segments on the same side of the neck. The operation may be considered when disease, injury, or another lesion prevents adequate flow through the native carotid segment. It is generally performed in a hospital operating room. The operative report should identify the side, the carotid segments joined, the graft material, and the reason for bypass.
Report this code for the ipsilateral carotid-to-carotid configuration; a bypass connecting different named arteries or the opposite carotid side is represented by a different code. If a vein is separately harvested for the graft, review the applicable harvest code and documentation. Medicare assigns a 90-day global period, including the day-before preoperative visit and related postoperative care during that period. When multiple procedures are performed in the same session, the highest-valued procedure is paid in full and other procedures are subject to the standard 50% multiple-procedure reduction. Bilateral reporting with modifier 50 is paid at 150%. An assistant at surgery may be paid; co-surgeon payment requires supporting documentation, and team surgery is not permitted.
CMS billing rules for 35501
- Global period
- Major surgery with a 90-day global period: the day-before preoperative visit and 90 days of related postoperative care are included.
- Multiple procedures
- Standard multiple procedure reduction: the highest-valued procedure is paid in full and others at 50% when performed in the same session.
- Bilateral procedures
- Bilateral procedure with modifier 50 is paid at 150%.
- Assistant at surgery
- Assistant at surgery may be paid.
- Co-surgeons
- Co-surgeons paid only with supporting documentation.
- Team surgery
- Team surgery not permitted.
Where the value comes from
- Work RVU28.36 · 71%
- Practice expense (office) RVU4.11 · 10%
- Malpractice RVU7.26 · 18%
36
Medicare services in 2024 · #5552 by national volume
This summary was written with AI assistance from CMS physician fee schedule data and checked against the CMS billing rules shown here. Rates on this page come directly from CMS files.
35501 compared with similar codes
Office rates for Texas, from the same CMS release.
No office rate
35506 is for a subclavian-to-carotid bypass. This code is for a bypass between carotid artery segments on the same side.
No office rate
35508 connects a carotid artery to a vertebral artery. Use this code for the ipsilateral carotid-to-carotid route.
Compare 35501 by payment locality
Find the payment area for your service address, then open its rate page for calculation inputs, release history and the percentage-of-Medicare tool. A city may cross payment-area boundaries; the ZIP lookup above helps resolve the location.
8 of 8 payment localities
| Payment locality | Office | Facility |
|---|---|---|
| Austin | Office Unavailable | Facility $1309.23 |
| Beaumont | Office Unavailable | Facility $1297.45 |
| Brazoria | Office Unavailable | Facility $1280.01 |
| Dallas | Office Unavailable | Facility $1300.56 |
| Fort Worth | Office Unavailable | Facility $1302.34 |
| Galveston | Office Unavailable | Facility $1291.93 |
| Houston | Office Unavailable | Facility $1424.81 |
| Rest Of Texas | Office Unavailable | Facility $1296.50 |
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35501 billing questions
How does this differ from 35509?
35501 is for a carotid-to-carotid bypass on the same side. 35509 describes a bypass between the right and left carotid arteries.
What details should the operative report support?
Document the bypass indication, laterality, carotid segments connected, and use of a vein graft. These details distinguish the ipsilateral configuration from other carotid bypass routes.
Can the vein harvest be reported separately?
When a vein is separately harvested for the bypass, review 35500 for the harvest and document the work performed. The bypass code describes the carotid reconstruction.
How is bilateral performance reported?
When the procedure is performed bilaterally, modifier 50 applies under the CMS bilateral rule; payment is at 150%. The operative documentation should establish both sides.
What postoperative care is included?
The 90-day global period includes the day-before preoperative visit and related postoperative care during the 90 days after surgery.
Can an assistant or co-surgeon be paid?
Assistant-at-surgery payment may be made. Co-surgeon payment requires supporting documentation; team surgery is not permitted.
Where these rates come from
FeeBase calculates base physician payments from CMS work, practice-expense, and malpractice RVUs, adjusted by each locality’s geographic indices and the applicable conversion factor. Unavailable or separately priced services are labeled rather than assigned a made-up amount.
Source: RVU26D. Effective 2026-10-01 through the day before 2027-01-01.
4,32835390,,Reoperation carotid add-on,A,,3.11,0.39,NA,0.39,,0.79,4.29,4.29,0,ZZZ,0.00,0.00,0.00,0,0,2,1,0,9,,33.4009,09,0,99,0.00,0.00,0.00
4,32935400,,Angioscopy,A,,2.93,0.24,NA,0.24,,0.75,3.92,3.92,0,ZZZ,0.00,0.00,0.00,0,0,0,1,0,9,,33.4009,09,0,99,0.00,0.00,0.00
4,33035500,,Harvest vein for bypass,A,,6.28,0.73,NA,0.73,,1.58,8.59,8.59,0,ZZZ,0.00,0.00,0.00,0,0,2,1,0,9,,33.4009,09,0,99,0.00,0.00,0.00
4,33135501,,Art byp grft ipsilat carotid,A,,28.36,4.11,NA,4.11,,7.26,39.73,39.73,0,090,0.09,0.84,0.07,2,1,2,1,0,9,,33.4009,09,0,99,0.00,0.00,0.00
4,33235506,,Art byp grft subclav-carotid,A,,24.70,3.69,NA,3.69,,6.31,34.70,34.70,0,090,0.09,0.84,0.07,2,1,2,1,0,9,,33.4009,09,0,99,0.00,0.00,0.00
4,33335508,,Art byp grft carotid-vertbrl,A,,25.44,4.33,NA,4.33,,6.49,36.26,36.26,0,090,0.09,0.84,0.07,2,1,2,1,0,9,,33.4009,09,0,99,0.00,0.00,0.00
4,33435509,,Art byp grft contral carotid,A,,27.39,4.06,NA,4.06,,7.01,38.46,38.46,0,090,0.09,0.84,0.07,2,1,2,1,0,9,,33.4009,09,0,99,0.00,0.00,0.00