CPT code 35633: Arterial bypass, iliac to mesenteric artery2026 Medicare rate & RVUs in Utah

Reports open bypass using a non-vein graft from an iliac artery to a mesenteric artery to restore blood flow in mesenteric occlusive disease.

CMS RVU26DEffective Oct 1, 2026One payment locality176 Medicare services in 2024

In Utah, Medicare pays $1,756.95 for 35633 in a facility. There’s no office rate.

Not available in this settingOffice (non-facility)
$1,756.95Hospital or facility

Check a contract rate as a % of Medicare · 35633 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 35633 for the payment locality that covers the ZIP.

On this page 11 sections
  1. Rate in Utah
  2. What 35633 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 35633 covers

This code describes open arterial revascularization using a graft other than vein to carry blood from an iliac artery to a mesenteric artery, commonly the superior mesenteric artery. Vascular surgeons may perform it for mesenteric arterial occlusive disease when an open bypass is selected. The operative report should establish the inflow artery, mesenteric outflow target, conduit, and indication for revascularization.

Choose this code for the iliac-to-mesenteric route; a different inflow or outflow site points to a different bypass code. Document the graft path and each bypass performed during the session. Medicare assigns a 90-day global period, including the day-before preoperative visit and 90 days of related postoperative care. When multiple procedures are performed in one session, the highest-valued procedure is paid in full and others at 50%. Modifier 50 applies to a bilateral procedure, paid at 150%. An assistant at surgery may be paid; co-surgeons require 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 Utah compares for 35633

Across 109 of 109 payment localities, the facility rate for 35633 runs from $1,569.08 in Wisconsin to $2,307.08 in Miami, FL. Utah pays $1,756.95. The RVUs are the same everywhere; the geographic indexes change the dollars.

35633 in Utah vs other payment areas
  1. Utah · this page$1,756.95
  2. Los Angeles, CA · California$1,782.79+$25.84
  3. Washington, DC area · District of Columbia$1,944.10+$187.15
  4. Miami, FL · Florida$2,307.08+$550.13
  5. Chicago, IL · Illinois$2,232.68+$475.73
  6. Manhattan, NY · New York$2,107.13+$350.18
  7. Alaska · Alaska$2,306.60+$549.65

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

Every other payment area

35633 in every other Medicare payment locality
Payment localityOfficeFacility
AlabamaAlabama—$1,635.90
ArkansasArkansas—$1,616.08
ArizonaArizona—$1,749.24
Bakersfield, CACalifornia—$1,719.16
Chico, CACalifornia—$1,692.91
El Centro, CACalifornia—$1,694.54
Fresno, CACalifornia—$1,692.91
Hanford, CACalifornia—$1,692.91

35633 rates by state

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

Explore a state

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
35633 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 35633 in every payment locality

How the 35633 rate is calculated

Each of 35633’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 · 35633

RVUs × geographic indexes × conversion factor

Office or facility?

Work38.13

38.13 RVUs× 1.000 GPCI

Practice expense6.11

6.11 RVUs× 1.000 GPCI

Malpractice9.72

9.72 RVUs× 1.000 GPCI

Adjusted RVUs

53.9600

Conversion factor

$33.4009

Medicare rate

$1,802.31

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

The exact Utah inputs and CMS source lines

PPRRVU2026_Oct_nonQPP.csv

4,381

Code
35633
Physician work
38.13
Practice expense
6.11
Malpractice
9.72

GPCI2026.csv

104

Locality
Utah
Physician work
1.000
Practice expense
0.940
Malpractice
0.898
Facility calculation for 35633 in Utah
ComponentRVULocality factorAdjusted
Physician work38.13× 1.00038.1300
Practice expense6.11× 0.9405.7434
Malpractice9.72× 0.8988.7286
Total RVUs52.6020
Conversion factor× 33.4009

Facility rate, Utah$1756.95

Facility: (38.13 × 1 + 6.11 × 0.94 + 9.72 × 0.898) × $33.4009 = $1756.95

Open 35633 in the RVU calculator

Payment rules and modifiers for 35633

35633 has a 90-day global period: related visits in that window are included in the surgery payment.

CMS payment indicators · 35633

Arterial bypass, iliac to mesenteric artery

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 · 35633

Arterial bypass, iliac to mesenteric artery

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

35633 without 50 · national facility

$1,802.31

Arterial bypass, iliac to mesenteric artery

35633-50 · Bilateral: 150%

$2,703.47

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 35633 has changed in Utah

35633 · 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$1,756.95RVU26D
2026-07-01Not available in this setting$1,756.95RVU26C
2026-04-01Not available in this setting$1,756.95RVU26B
2026-01-01Not available in this setting$1,756.95RVU26A
2025-10-01Not available in this setting$1,831.51RVU25D
2025-07-01Not available in this setting$1,831.51RVU25C
2025-04-01Not available in this setting$1,831.51RVU25B
2025-01-01Not available in this setting$1,831.51RVU25A
2024-10-01Not available in this setting$1,887.57RVU24D
2024-07-01Not available in this setting$1,887.57RVU24C
2024-04-01Not available in this setting$1,887.57RVU24B
2024-03-09Not available in this setting$1,887.57RVU24AR
2024-01-01Not available in this setting$1,856.76RVU24A
2023-10-01Not available in this setting$1,891.82RVU23D
2023-07-01Not available in this setting$1,891.82RVU23C
2023-04-01Not available in this setting$1,891.82RVU23B
2023-01-01Not available in this setting$1,891.82RVU23A
2022-10-01Not available in this setting$1,914.60RVU22D
2022-07-01Not available in this setting$1,914.60RVU22C
2022-04-01Not available in this setting$1,914.60RVU22B
2022-01-01Not available in this setting$1,914.60RVU22A
2021-10-01Not available in this setting$1,918.48RVU21D
2021-07-01Not available in this setting$1,918.48RVU21C
2021-04-01Not available in this setting$1,918.48RVU21B
2021-01-01Not available in this setting$1,918.48RVU21A
2020-10-01Not available in this setting$2,049.33RVU20D
2020-07-01Not available in this setting$2,049.33RVU20C
2020-04-01Not available in this setting$2,049.33RVU20B
2020-01-01Not available in this setting$2,049.33RVU20A
2019-10-01Not available in this setting$2,111.93RVU19D
2019-07-01Not available in this setting$2,111.93RVU19C
2019-04-01Not available in this setting$2,111.93RVU19B
2019-01-01Not available in this setting$2,111.93RVU19A
2018-10-01Not available in this setting$2,121.52RVU18D
2018-07-01Not available in this setting$2,121.52RVU18C
2018-04-01Not available in this setting$2,121.52RVU18B
2018-01-01Not available in this setting$2,121.52RVU18AR1
2017-10-01Not available in this setting$2,136.00RVU17D
2017-07-01Not available in this setting$2,136.00RVU17C
2017-04-01Not available in this setting$2,136.00RVU17B
2017-01-01Not available in this setting$2,136.00RVU17A
2016-10-01Not available in this setting$2,149.66RVU16D
2016-07-01Not available in this setting$2,149.66RVU16C
2016-04-01Not available in this setting$2,149.66RVU16B
2016-01-01Not available in this setting$2,149.66RVU16A
2015-10-01Not available in this setting$2,170.52RVU15D
2015-07-01Not available in this setting$2,170.52RVU15C
2015-04-01Not available in this setting$2,159.72RVU15B
2015-01-01Not available in this setting$2,159.72RVU15A
2014-10-01Not available in this setting$1,904.33RVU14D
2014-07-01Not available in this setting$1,904.33RVU14C
2014-04-01Not available in this setting$1,904.33RVU14B
2014-01-01Not available in this setting$1,904.33RVU14A
2013-10-01Not available in this setting$1,849.68RVU13D
2013-07-01Not available in this setting$1,849.68RVU13C
2013-04-01Not available in this setting$1,849.68RVU13B
2013-01-01Not available in this setting$1,849.68RVU13AR

Price 35633 for an earlier date of service

Where the Utah rate applies

Utah is a Medicare payment area, not a city. Our Census mapping connects it to 334 cities and communities in Utah. Some span more than one payment area; confirm with the service ZIP.

  • Alpine
  • Alta
  • Altamont
  • Alton
  • Amalga
  • American Fork
  • Aneth
  • Annabella

Browse all communities in Utah

35633 billing questions

How is this code distinguished from 35632?

Use 35633 when the graft runs from an iliac artery to a mesenteric artery. Code 35632 describes an iliac-to-celiac bypass.

When would 35631 be a better fit?

Code 35631 is for an aortic inflow route to the specified visceral arteries. This code is for an iliac inflow to a mesenteric artery.

What operative details support reporting 35633?

The operative report should identify the iliac inflow, mesenteric outflow, graft conduit, and the bypass performed. These details distinguish the service from bypasses to other targets.

How does the 90-day global period affect postoperative billing?

The day-before preoperative visit and 90 days of related postoperative care are included in the global period.

How are multiple procedures in the same session paid?

The highest-valued procedure is paid in full; other procedures in that session are paid at 50% under the standard multiple procedure reduction.

Can an assistant or co-surgeon be reported?

An assistant at surgery may be paid. Co-surgeons are paid only with 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 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 35633PPRRVU2026_Oct_nonQPP.csv, line 4,381 (RVU26D)
Geographic factors for UtahGPCI2026.csv, line 104 (RVU26D)

Open CMS sourceHow we calculate rates

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