CPT code 35556: Arterial bypass, vein graft, femoral to popliteal2026 Medicare rate & RVUs in Vallejo, CA

Reports a lower-extremity arterial bypass using a vein conduit from the femoral artery to the popliteal artery to restore blood flow around an obstruction.

CMS RVU26DEffective Oct 1, 2026One payment locality2K Medicare services in 2024

In Vallejo, CA, Medicare pays $1,251.10 for 35556 in a facility. There’s no office rate.

Not available in this settingOffice (non-facility)
$1,251.10Hospital or facility

Check a contract rate as a % of Medicare · 35556 nationwide

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

We’ll open 35556 for the payment locality that covers the ZIP.

On this page 11 sections
  1. Rate in Vallejo, CA
  2. What 35556 covers
  3. Compared with other areas
  4. Rate map
  5. How it’s calculated
  6. Payment rules
  7. Related codes
  8. Rate history
  9. Where it applies
  10. Billing questions
  11. Sources

What 35556 covers

A vascular surgeon uses a vein conduit to route blood from the femoral artery to the popliteal artery, bypassing an obstructed segment. The operation is commonly performed in a hospital operating room for lower-extremity arterial occlusive disease when revascularization is needed. A harvested saphenous vein is a familiar conduit example. This code distinguishes a vein-graft bypass from a bypass using a non-vein graft and from an in-situ vein bypass.

Select the code based on the documented conduit, bypass endpoints, and operative technique. The report should identify the femoral inflow, popliteal outflow, vein graft, and bypass performed. CMS assigns major surgery a 90-day global period, including the day-before preoperative visit and related postoperative care through day 90. For multiple procedures in one session, the highest-valued procedure is paid in full and others at 50%. Bilateral reporting with modifier 50 is paid at 150%. Assistant-at-surgery payment may be allowed; 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 Vallejo, CA compares for 35556

Across 109 of 109 payment localities, the facility rate for 35556 runs from $1,101.75 in Wisconsin to $1,609.18 in Alaska. Vallejo, CA pays $1,251.10. The RVUs are the same everywhere; the geographic indexes change the dollars.

35556 in Vallejo, CA vs other payment areas
  1. Vallejo, CA · this page$1,251.10
  2. Bakersfield, CA · California$1,208.27−$42.83
  3. Chico, CA · California$1,190.39−$60.71
  4. El Centro, CA · California$1,191.49−$59.61
  5. Fresno, CA · California$1,190.39−$60.71
  6. Hanford, CA · California$1,190.39−$60.71
  7. Los Angeles, CA · California$1,254.36+$3.26

Other areas in California first, then benchmark localities. Bars start at $0.

Every other payment area

35556 in every other Medicare payment locality
Payment localityOfficeFacility
Madera, CACalifornia—$1,190.39
Merced, CACalifornia—$1,190.39
Modesto, CACalifornia—$1,190.39
Napa, CACalifornia—$1,261.93
Oxnard, CACalifornia—$1,233.80
Redding, CACalifornia—$1,190.39
Rest of CaliforniaCalifornia—$1,190.39
Riverside, CACalifornia—$1,261.35

35556 rates by state

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

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Local rates. Clear comparisons.

Hover or focus a tile to see its rate range. Select it to open the state’s fee schedule.

View every state and territory as a table
35556 office rate range by state
State / territoryOffice rate rangeLocalities
AKNo published base rate1
ALNo published base rate1
ARNo published base rate1
AZNo published base rate1
CANo published base rate29
CONo published base rate1
CTNo published base rate1
DCNo published base rate1
DENo published base rate1
FLNo published base rate3
GANo published base rate2
GUNo published base rate1
HINo published base rate1
IANo published base rate1
IDNo published base rate1
ILNo published base rate4
INNo published base rate1
KSNo published base rate1
KYNo published base rate1
LANo published base rate2
MANo published base rate2
MDNo published base rate3
MENo published base rate2
MINo published base rate2
MNNo published base rate1
MONo published base rate3
MSNo published base rate1
MTNo published base rate1
NCNo published base rate1
NDNo published base rate1
NENo published base rate1
NHNo published base rate1
NJNo published base rate2
NMNo published base rate1
NVNo published base rate1
NYNo published base rate5
OHNo published base rate1
OKNo published base rate1
ORNo published base rate2
PANo published base rate2
PRNo published base rate1
RINo published base rate1
SCNo published base rate1
SDNo published base rate1
TNNo published base rate1
TXNo published base rate8
UTNo published base rate1
VANo published base rate2
VINo published base rate1
VTNo published base rate1
WANo published base rate2
WINo published base rate1
WVNo published base rate1
WYNo published base rate1

See 35556 in every payment locality

How the 35556 rate is calculated

Each of 35556’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.

How the rate is built · 35556

RVUs × geographic indexes × conversion factor

Office or facility?

Work26.08

26.08 RVUs× 1.000 GPCI

Practice expense5.08

5.08 RVUs× 1.000 GPCI

Malpractice6.62

6.62 RVUs× 1.000 GPCI

Adjusted RVUs

37.7800

Conversion factor

$33.4009

Medicare rate

$1,261.89

Every GPCI starts at 1.000, the national rate. Enter a ZIP or drag a slider.

The exact Vallejo, CA inputs and CMS source lines

PPRRVU2026_Oct_nonQPP.csv

4,357

Code
35556
Physician work
26.08
Practice expense
5.08
Malpractice
6.62

GPCI2026.csv

33

Locality
Vallejo, CA
Physician work
1.063
Practice expense
1.318
Malpractice
0.459
Facility calculation for 35556 in Vallejo, CA
ComponentRVULocality factorAdjusted
Physician work26.08× 1.06327.7230
Practice expense5.08× 1.3186.6954
Malpractice6.62× 0.4593.0386
Total RVUs37.4571
Conversion factor× 33.4009

Facility rate, Vallejo, CA$1251.10

Facility: (26.08 × 1.063 + 5.08 × 1.318 + 6.62 × 0.459) × $33.4009 = $1251.10

Open 35556 in the RVU calculator

Payment rules and modifiers for 35556

35556 has a 90-day global period: related visits in that window are included in the surgery payment.

CMS payment indicators · 35556

Arterial bypass, vein graft, femoral to popliteal

RuleCMS valueWhat it means
Global period090Major surgery: the day before, the day of, and 90 days after are included.
Multiple procedures2Standard reduction: highest-valued procedure at 100%, others at 50%.
Bilateral (modifier 50)1Bilateral with modifier 50 pays 150% of the fee schedule amount.
Assistant at surgery (80/81/82/AS)2Paid.
Co-surgeons (62)1Permitted with supporting documentation.
Team surgery (66)0Not permitted.
Professional/technical0Physician service: no professional/technical split.
Split (54/55/56)0.09/0.84/0.07Share of the payment for pre-op, the procedure itself, and post-op care.

Global surgery period · 35556

Arterial bypass, vein graft, femoral to popliteal

90-day global period ends

Dec 30, 2026

Covers Sep 30, 2026 through Dec 30, 2026 (92 days, including the day before surgery).

Visit on Oct 31, 2026

Day 30 of the 90-day post-op period: related follow-up care is included in the surgical payment.

  • 24Unrelated E/M visit by the same physician
  • 79Unrelated procedure (starts its own global period)
  • 58Staged, more extensive, or therapy procedure that was planned
  • 78Unplanned return to the operating room for a related complication
SurgeryVisit
Sep 23, 2026Jan 10, 2027

Pre-op dayGlobal period

What modifiers do to the payment

Modifier 50 · payment effect

With and without the modifier

35556 without 50 · national facility

$1,261.89

Arterial bypass, vein graft, femoral to popliteal

35556-50 · Bilateral: 150%

$1,892.84

Both sides on one line with modifier 50 are paid at 150% of the fee schedule amount (subject to multiple-procedure rules with other procedures).

When to use modifier 50

How 35556 has changed in Vallejo, CA

35556 · Office / nonfacility

Rate unavailable

Effective 2026-10-01

A rate is unavailable in one of these releases, so a change cannot be calculated.

Base rate by release · bars start at $0 · select a bar to compare

One bar per available release, ordered by effective date. Missing rates remain gaps. These comparisons hold the code, setting and locality identifiers constant; they do not isolate which policy or input caused a change.

What changed, release by release
Rates in every CMS release
Effective fromOfficeFacilityCMS release
2026-10-01Not available in this setting$1,251.10RVU26D
2026-07-01Not available in this setting$1,251.10RVU26C
2026-04-01Not available in this setting$1,251.10RVU26B
2026-01-01Not available in this setting$1,251.10RVU26A
2025-10-01Not available in this setting$1,333.57RVU25D
2025-07-01Not available in this setting$1,333.57RVU25C
2025-04-01Not available in this setting$1,333.57RVU25B
2025-01-01Not available in this setting$1,333.57RVU25A
2024-10-01Not available in this setting$1,367.63RVU24D
2024-07-01Not available in this setting$1,367.63RVU24C
2024-04-01Not available in this setting$1,367.63RVU24B
2024-03-09Not available in this setting$1,367.63RVU24AR
2024-01-01Not available in this setting$1,345.31RVU24A
2023-10-01Not available in this setting$1,378.95RVU23D
2023-07-01Not available in this setting$1,378.95RVU23C
2023-04-01Not available in this setting$1,378.95RVU23B
2023-01-01Not available in this setting$1,378.95RVU23A
2022-10-01Not available in this setting$1,401.93RVU22D
2022-07-01Not available in this setting$1,401.93RVU22C
2022-04-01Not available in this setting$1,401.93RVU22B
2022-01-01Not available in this setting$1,401.93RVU22A
2021-10-01Not available in this setting$1,410.72RVU21D
2021-07-01Not available in this setting$1,410.72RVU21C
2021-04-01Not available in this setting$1,410.72RVU21B
2021-01-01Not available in this setting$1,410.72RVU21A
2020-10-01Not available in this setting$1,467.27RVU20D
2020-07-01Not available in this setting$1,467.27RVU20C
2020-04-01Not available in this setting$1,467.27RVU20B
2020-01-01Not available in this setting$1,467.27RVU20A
2019-10-01Not available in this setting$1,464.65RVU19D
2019-07-01Not available in this setting$1,464.65RVU19C
2019-04-01Not available in this setting$1,464.65RVU19B
2019-01-01Not available in this setting$1,464.65RVU19A
2018-10-01Not available in this setting$1,476.52RVU18D
2018-07-01Not available in this setting$1,476.52RVU18C
2018-04-01Not available in this setting$1,476.52RVU18B
2018-01-01Not available in this setting$1,476.52RVU18AR1
2017-10-01Not available in this setting$1,495.03RVU17D
2017-07-01Not available in this setting$1,495.03RVU17C
2017-04-01Not available in this setting$1,495.03RVU17B
2017-01-01Not available in this setting$1,495.03RVU17A
2016-10-01Not available in this settingRate data unavailableRVU16D
2016-07-01Not available in this settingRate data unavailableRVU16C
2016-04-01Not available in this settingRate data unavailableRVU16B
2016-01-01Not available in this settingRate data unavailableRVU16A
2015-10-01Not available in this settingRate data unavailableRVU15D
2015-07-01Not available in this settingRate data unavailableRVU15C
2015-04-01Not available in this settingRate data unavailableRVU15B
2015-01-01Not available in this settingRate data unavailableRVU15A
2014-10-01Not available in this settingRate data unavailableRVU14D
2014-07-01Not available in this settingRate data unavailableRVU14C
2014-04-01Not available in this settingRate data unavailableRVU14B
2014-01-01Not available in this settingRate data unavailableRVU14A
2013-10-01Not available in this settingRate data unavailableRVU13D
2013-07-01Not available in this settingRate data unavailableRVU13C
2013-04-01Not available in this settingRate data unavailableRVU13B
2013-01-01Not available in this settingRate data unavailableRVU13AR

Price 35556 for an earlier date of service

Where the Vallejo, CA rate applies

Vallejo, CA is a Medicare payment area, not a city. Our Census mapping connects it to 11 cities and communities in California. Some span more than one payment area; confirm with the service ZIP.

  • Vallejo
  • Allendale
  • Benicia
  • Dixon
  • Elmira
  • Fairfield
  • Green Valley
  • Hartley

Browse all communities in California

35556 billing questions

How does this differ from an in-situ vein bypass?

This code describes a femoral-to-popliteal bypass using a vein graft. Use the in-situ bypass code when the vein remains in place and is used as the bypass conduit.

When would a non-vein bypass code be considered?

Use the corresponding non-vein graft code when the operative report documents a conduit other than vein for the femoral-to-popliteal bypass.

What documentation supports reporting this code?

Document the femoral inflow site, popliteal outflow site, vein conduit, and bypass technique. The operative report should make the route and graft material clear.

How is this handled when both legs are treated?

For a bilateral procedure, report modifier 50; CMS pays the bilateral procedure at 150%.

What payment rules apply when other procedures are performed in the same session?

Under the standard multiple-procedure reduction, the highest-valued procedure is paid in full and other procedures are paid at 50%. The 90-day global period includes related postoperative care through day 90 and the day-before preoperative visit.

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

Show the CMS file lines behind this rate
RVUs for 35556PPRRVU2026_Oct_nonQPP.csv, line 4,357 (RVU26D)
Geographic factors for Vallejo, CAGPCI2026.csv, line 33 (RVU26D)

Open CMS sourceHow we calculate rates

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