CPT code 35583: Vein bypass, in situ, femoral to popliteal2026 Medicare rate & RVUs in Colorado

In Colorado, Medicare pays $1,273.17 for 35583 in a facility. There’s no office rate.

Check a contract rate as a % of Medicare · 35583 nationwide

Medicare allowed amount for participating (non-QP) physicians, before deductible, coinsurance and claim adjustments. Not a patient’s bill or a hospital charge.

What 35583 covers

A vascular surgeon uses this procedure to bypass an obstructed or severely diseased artery in the leg, routing blood from the femoral artery to the popliteal artery through the patient’s vein left in its native position. The great saphenous vein is a typical conduit. The surgeon prepares the vein for arterial flow, including disrupting its valves and addressing side branches, and connects it to the arterial inflow and popliteal outflow. These bypasses are generally performed in a hospital operating room for limb ischemia or other significant lower-extremity arterial insufficiency.

Select this code when the operative report documents an in-situ vein conduit and a popliteal target; a bypass using a harvested, repositioned vein or a different conduit follows a different code pathway. Documentation should identify the conduit, bypass endpoints, and in-situ technique. CMS assigns a 90-day global period, including the day-before preoperative visit and related postoperative care for 90 days. In a same-session multiple-procedure claim, the highest-valued procedure is paid in full and other procedures at 50%. Modifier 50 payment for a bilateral procedure is 150%. An assistant at surgery may be paid; co-surgeon payment requires supporting documentation, and team surgery is not permitted.

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.

How Colorado compares for 35583

Across 109 of 109 payment localities, the facility rate for 35583 runs from $1,135.66 in Wisconsin to $1,661.47 in Alaska. Colorado pays $1,273.17. The RVUs are the same everywhere; the geographic indexes change the dollars.

Every other payment area

35583 rates by state

Office rate range in each state. Select a state to see its payment localities.

See 35583 in every payment locality

How the 35583 rate is calculated

Each of 35583’s three RVUs is multiplied by a geographic index (GPCI) for the payment locality, added up, and multiplied by the conversion factor. Drag the indexes or enter a ZIP to see what moves the rate.

Payment rules and modifiers for 35583

35583 has a 90-day global period: related visits in that window are included in the surgery payment.

What modifiers do to the payment

When to use modifier 50

Codes related to 35583

Related codes aren’t interchangeable: bill the code that matches the service performed.

How 35583 has changed in Colorado

Price 35583 for an earlier date of service

Where the Colorado rate applies

Colorado is a Medicare payment area, not a city. Our Census mapping connects it to 485 cities and communities in Colorado. Some span more than one payment area; confirm with the service ZIP.

• Acres Green
• Aetna Estates
• Aguilar
• Air Force Academy
• Akron
• Alamosa
• Alamosa East
• Allenspark

Browse all communities in Colorado

Where these rates come from

FeeBase calculates base physician payments from CMS work, practice-expense and malpractice RVUs, adjusted by each locality’s geographic indexes and the conversion factor. Services without a published rate are labeled, never given a made-up amount. Amounts are Medicare allowed amounts before claim adjustments: not a patient’s bill or a commercial rate.

CMS RVU26D · effective Oct 1, 2026 through the day before Jan 1, 2027

Open CMS sourceHow we calculate rates