No office rate
The route is also iliac-to-femoral, but 35565 is selected when the bypass conduit is vein rather than a nonvein graft.
On this page
CMS RVU26D · Effective 2026-10-01
35665 Arterial bypass Medicare reimbursement rates in Idaho
Reports a surgical bypass using a nonvein conduit from an iliac artery to a femoral artery to reroute blood flow around diseased or obstructed vessels. Compare 35665 office and facility rates across CMS payment localities in Idaho.
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 35665 in Idaho?
Idaho has 1 payment locality in this comparison. Use the service location to choose the applicable amount. These are the supported base rates for the payment area shown below, using the same CMS release.
Office / nonfacility
No supported rate
Facility setting
$956.82
1 of 1 localities have a supported rate.
Payment area: Idaho
One mapped payment locality.
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.
Vascular surgery
About 35665: Nonvein iliofemoral bypass graft
Reports a surgical bypass using a nonvein conduit from an iliac artery to a femoral artery to reroute blood flow around diseased or obstructed vessels.
A vascular surgeon creates a new route for arterial blood between an iliac artery and a femoral artery, using a conduit other than vein. The operation is typically performed in an operating room for lower-extremity arterial disease when the chosen reconstruction connects these specific inflow and outflow sites. The operative report should identify the source artery, recipient artery, side, conduit, and bypass route so the service can be distinguished from other aortoiliac or femoral bypasses.
Select this code for the iliac-to-femoral route with a nonvein graft; a vein conduit or different origin or destination points to a different code. The 90-day global period includes the day-before preoperative visit and 90 days of related postoperative care. 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% reduction. For a bilateral procedure reported with modifier 50, payment is 150%. An assistant at surgery may be paid; co-surgeons require supporting documentation, and team surgery is not permitted.
CMS billing rules for 35665
- 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 RVU21.79 · 68%
- Practice expense (office) RVU4.62 · 14%
- Malpractice RVU5.51 · 17%
681
Medicare services in 2024 · #3289 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.
35665 compared with similar codes
Office rates for Idaho, from the same CMS release.
No office rate
Both are nonvein bypasses involving iliac arteries. Choose 35665 when the outflow is femoral; 35663 connects iliac artery to iliac artery.
No office rate
Both end at a femoral artery and use a nonvein graft, but 35647 begins at the aorta rather than an iliac artery.
No office rate
35661 describes a nonvein bypass from one femoral artery to the other; 35665 begins at an iliac artery and ends at a femoral artery.
Compare 35665 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.
1 of 1 payment localities
Idaho →
Office / nonfacility
Unavailable
Facility
$956.82
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How this local rate is calculated
Each RVU component is multiplied by its own geographic practice cost index (GPCI). The three adjusted components are added, then multiplied by the conversion factor. These are the inputs used for 35665 in Idaho.
PPRRVU2026_Oct_nonQPP.csv
4,395
- Code
- 35665
- Physician work
- 21.79
- Practice expense
- 4.62
- Malpractice
- 5.51
GPCI2026.csv
47
- Locality
- Idaho
- Physician work
- 1.000
- Practice expense
- 0.920
- Malpractice
- 0.473
| Component | RVU | Locality factor | Adjusted |
|---|---|---|---|
| Physician work | 21.79 | × 1.000 | 21.7900 |
| Practice expense | 4.62 | × 0.920 | 4.2504 |
| Malpractice | 5.51 | × 0.473 | 2.6062 |
| Total RVUs | 28.6466 | ||
| Conversion factor | × 33.4009 | ||
Facility rate, Idaho$956.82
Explore RVUs, geographic factors and the full formula
Facility
| Component | RVU | Local GPCI |
|---|---|---|
| Work | 21.79 | 1 |
| Practice expense | 4.62 | 0.92 |
| Malpractice | 5.51 | 0.473 |
(21.79 × 1 + 4.62 × 0.92 + 5.51 × 0.473) × $33.4009 = $956.82
The office and facility calculations use their respective practice-expense RVUs. The facility amount here is the physician fee, not a separate hospital or facility bill.
35665 billing questions
When should 35665 be chosen instead of 35565?
Use 35665 for an iliac-to-femoral bypass using a nonvein conduit. The corresponding vein-conduit bypass is reported with 35565.
How does 35665 differ from 35663?
Both use an iliac artery as the bypass source, but 35665 ends at a femoral artery; 35663 connects one iliac artery to another.
What operative details support reporting this code?
Document the iliac origin, femoral destination, side, graft material, and completed bypass route. The conduit and both ends of the reconstruction distinguish this service from neighboring bypass codes.
How is bilateral reporting handled?
When the procedure is bilateral, report modifier 50; CMS pays the bilateral procedure at 150%.
What postoperative care is included?
The 90-day global period includes the day-before preoperative visit and 90 days of related postoperative care.
Can an assistant or co-surgeon be reported?
An assistant at surgery may be paid. Co-surgeons are paid only with supporting documentation, and 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.
4,39235656,,Bpg femoral-popliteal,A,,19.96,4.07,NA,4.07,,5.07,29.10,29.10,0,090,0.09,0.84,0.07,2,1,2,1,0,9,,33.4009,09,0,99,0.00,0.00,0.00
4,39335661,,Bpg femoral-femoral,A,,19.84,4.53,NA,4.53,,5.04,29.41,29.41,0,090,0.09,0.84,0.07,2,1,2,1,0,9,,33.4009,09,0,99,0.00,0.00,0.00
4,39435663,,Bpg ilioiliac,A,,23.33,3.93,NA,3.93,,5.97,33.23,33.23,0,090,0.09,0.84,0.07,2,1,2,1,0,9,,33.4009,09,0,99,0.00,0.00,0.00
4,39535665,,Bpg iliofemoral,A,,21.79,4.62,NA,4.62,,5.51,31.92,31.92,0,090,0.09,0.84,0.07,2,1,2,1,0,9,,33.4009,09,0,99,0.00,0.00,0.00
4,39635666,,Bpg fem-ant tib pst tib/prnl,A,,23.07,6.00,NA,6.00,,5.89,34.96,34.96,0,090,0.09,0.84,0.07,2,1,2,1,0,9,,33.4009,09,0,99,0.00,0.00,0.00
4,39735671,,Bpg pop-tibl/-prnl artery,A,,20.25,5.39,NA,5.39,,5.16,30.80,30.80,0,090,0.09,0.84,0.07,2,1,2,1,0,9,,33.4009,09,0,99,0.00,0.00,0.00
4,39835681,,Composite byp grft pros&vein,A,,1.56,0.19,NA,0.19,,0.40,2.15,2.15,0,ZZZ,0.00,0.00,0.00,0,0,2,1,0,9,,33.4009,09,0,99,0.00,0.00,0.00
4410212,GA,01,ATLANTA,1.003,1.016,1.201
4510212,GA,99,REST OF GEORGIA,1.000,0.892,1.192
4601212,HI,01,"HAWAII, GUAM",1.000,1.137,0.579
4702202,ID,00,IDAHO,1.000,0.920,0.473
4806102,IL,16,CHICAGO,1.007,1.005,2.295
4906102,IL,12,EAST ST. LOUIS,1.000,0.920,2.014
5006102,IL,15,SUBURBAN CHICAGO,1.007,1.027,1.772