CPT code 37278: Stent and atherectomy, complex, each additional artery2026 Medicare rate & RVUs in Puerto Rico

Reports stent placement with atherectomy in each additional complex femoral or popliteal artery treated during endovascular revascularization.

CMS RVU26DEffective Oct 1, 2026One payment locality

In Puerto Rico, Medicare pays $3,913.41 for 37278 in the office and $270.48 when it’s performed in a hospital or facility.

$3,913.41Office (non-facility)
$270.48Hospital or facility
+1.0%vs the national office rate ($3,874.17)

Check a contract rate as a % of Medicare · 37278 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 37278 for the payment locality that covers the ZIP.

On this page 11 sections
  1. Rate in Puerto Rico
  2. What 37278 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 37278 covers

This add-on represents treatment of an additional femoral or popliteal artery with both atherectomy and stent placement when the intervention meets the complex classification. The service is typically performed by an interventional radiologist, vascular surgeon, or other physician qualified to perform endovascular lower-extremity revascularization in an angiography suite or operating room. Code selection follows the treated arterial territory, the intervention performed, whether the artery is classified as complex, and whether it is the first or an additional artery treated.

Report this code with the applicable primary revascularization code; 37277 represents the first complex femoral-popliteal artery treated with stenting and atherectomy. The operative report should identify each treated artery, the intervention performed, and the basis for complex classification. CMS treats this as an add-on paid within the primary procedure’s global period. When the procedure is bilateral and modifier 50 is reported, CMS pays 150% of the applicable amount.

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 Puerto Rico compares for 37278

Across 109 of 109 payment localities, the office rate for 37278 runs from $3,340.66 in Arkansas to $5,479.17 in San Benito County, CA. Puerto Rico pays $3,913.41. The RVUs are the same everywhere; the geographic indexes change the dollars.

37278 in Puerto Rico vs other payment areas
  1. Puerto Rico · this page$3,913.41
  2. Los Angeles, CA · California$4,531.28+$617.87
  3. Washington, DC area · District of Columbia$4,535.99+$622.58
  4. Miami, FL · Florida$4,091.89+$178.48
  5. Chicago, IL · Illinois$3,952.11+$38.70
  6. Manhattan, NY · New York$4,501.26+$587.85
  7. Alaska · Alaska$4,189.99+$276.58

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

Every other payment area

37278 in every other Medicare payment locality
Payment localityOfficeFacility
AlabamaAlabama$3,401.02$248.14
ArkansasArkansas$3,340.66$245.43
ArizonaArizona$3,755.19$263.60
Bakersfield, CACalifornia$4,208.70$259.50
Chico, CACalifornia$4,205.01$255.80
El Centro, CACalifornia$4,205.23$256.03
Fresno, CACalifornia$4,205.01$255.80
Hanford, CACalifornia$4,205.01$255.80

37278 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.

$3,340.66

$4,842.09

Color shows the midpoint of each state’s locality range.

View every state and territory as a table
37278 office rate range by state
State / territoryOffice rate rangeLocalities
AK$4,189.991
AL$3,401.021
AR$3,340.661
AZ$3,755.191
CA$4,205.01–$5,479.1729
CO$4,098.941
CT$4,167.061
DC$4,535.991
DE$3,827.071
FL$3,737.19–$4,091.893
GA$3,490.93–$3,941.892
GU$4,352.321
HI$4,352.321
IA$3,538.541
ID$3,560.111
IL$3,583.86–$4,008.364
IN$3,586.101
KS$3,503.451
KY$3,467.551
LA$3,454.98–$3,666.212
MA$4,060.54–$4,581.392
MD$3,916.02–$4,535.993
ME$3,566.83–$3,824.872
MI$3,564.29–$3,778.102
MN$3,947.661
MO$3,372.24–$3,700.083
MS$3,358.021
MT$3,874.081
NC$3,614.771
ND$3,847.391
NE$3,566.721
NH$4,017.311
NJ$4,220.40–$4,470.452
NM$3,582.051
NV$3,870.271
NY$3,679.34–$4,611.465
OH$3,558.841
OK$3,475.851
OR$3,846.26–$4,268.622
PA$3,574.14–$4,035.262
PR$3,913.411
RI$3,992.851
SC$3,591.631
SD$3,844.231
TN$3,523.081
TX$3,544.39–$4,079.898
UT$3,651.851
VA$3,799.23–$4,535.992
VI$3,913.411
VT$3,815.611
WA$4,058.32–$4,699.652
WI$3,690.561
WV$3,418.251
WY$3,862.451

See 37278 in every payment locality

How the 37278 rate is calculated

Each of 37278’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 · 37278

RVUs × geographic indexes × conversion factor

Office or facility?

Work6.00

6.00 RVUs× 1.000 GPCI

Practice expense108.64

108.64 RVUs× 1.000 GPCI

Malpractice1.35

1.35 RVUs× 1.000 GPCI

Adjusted RVUs

115.9900

Conversion factor

$33.4009

Medicare rate

$3,874.17

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

The exact Puerto Rico inputs and CMS source lines

PPRRVU2026_Oct_nonQPP.csv

4,638

Code
37278
Physician work
6.00
Practice expense
108.64
Malpractice
1.35

GPCI2026.csv

91

Locality
Puerto Rico
Physician work
1.000
Practice expense
1.011
Malpractice
0.985
Office calculation for 37278 in Puerto Rico
ComponentRVULocality factorAdjusted
Physician work6.00× 1.0006.0000
Practice expense108.64× 1.011109.8350
Malpractice1.35× 0.9851.3297
Total RVUs117.1648
Conversion factor× 33.4009

Office rate, Puerto Rico$3913.41

Office: (6 × 1 + 108.64 × 1.011 + 1.35 × 0.985) × $33.4009 = $3913.41

Facility: (6 × 1 + 0.76 × 1.011 + 1.35 × 0.985) × $33.4009 = $270.48

Open 37278 in the RVU calculator

Payment rules and modifiers for 37278

The CMS indicators that decide how 37278 is paid alongside other services.

CMS payment indicators · 37278

Stent and atherectomy, complex, each additional artery

RuleCMS valueWhat it means
Global periodZZZAdd-on code: falls within the primary procedure’s global period.
Multiple procedures0No multiple-procedure reduction.
Bilateral (modifier 50)1Bilateral with modifier 50 pays 150% of the fee schedule amount.
Assistant at surgery (80/81/82/AS)0Not paid without supporting documentation.
Co-surgeons (62)0Not permitted.
Team surgery (66)0Not permitted.
Professional/technical0Physician service: no professional/technical split.

What modifiers do to the payment

Modifier 50 · payment effect

With and without the modifier

37278 without 50 · national office

$3,874.17

Stent and atherectomy, complex, each additional artery

37278-50 · Bilateral: 150%

$5,811.26

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 37278 has changed in Puerto Rico

37278 · Office / nonfacility

$3913.41

Effective 2026-10-01

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

It is unchanged from the immediately preceding available release, effective 2026-07-01.

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
  1. January 1, 2026

    RVU26A

    No ratechanged to$3913.41

    Held through RVU26B, RVU26C, RVU26D.

  2. January 1, 2013

    RVU13AR

    Earliest loaded release: No rate

    Held through RVU13B, RVU13C, RVU13D, RVU14A, RVU14B, RVU14C, RVU14D, RVU15A, RVU15B, RVU15C, RVU15D, RVU16A, RVU16B, RVU16C, RVU16D, RVU17A, RVU17B, RVU17C, RVU17D, RVU18AR1, RVU18B, RVU18C, RVU18D, RVU19A, RVU19B, RVU19C, RVU19D, RVU20A, RVU20B, RVU20C, RVU20D, RVU21A, RVU21B, RVU21C, RVU21D, RVU22A, RVU22B, RVU22C, RVU22D, RVU23A, RVU23B, RVU23C, RVU23D, RVU24A, RVU24AR, RVU24B, RVU24C, RVU24D, RVU25A, RVU25B, RVU25C, RVU25D.

Rates in every CMS release
Effective fromOfficeFacilityCMS release
2026-10-01$3,913.41$270.48RVU26D
2026-07-01$3,913.41$270.48RVU26C
2026-04-01$3,913.41$270.48RVU26B
2026-01-01$3,913.41$270.48RVU26A
2025-10-01Not in this releaseNot in this releaseRVU25D
2025-07-01Not in this releaseNot in this releaseRVU25C
2025-04-01Not in this releaseNot in this releaseRVU25B
2025-01-01Not in this releaseNot in this releaseRVU25A
2024-10-01Not in this releaseNot in this releaseRVU24D
2024-07-01Not in this releaseNot in this releaseRVU24C
2024-04-01Not in this releaseNot in this releaseRVU24B
2024-03-09Not in this releaseNot in this releaseRVU24AR
2024-01-01Not in this releaseNot in this releaseRVU24A
2023-10-01Not in this releaseNot in this releaseRVU23D
2023-07-01Not in this releaseNot in this releaseRVU23C
2023-04-01Not in this releaseNot in this releaseRVU23B
2023-01-01Not in this releaseNot in this releaseRVU23A
2022-10-01Not in this releaseNot in this releaseRVU22D
2022-07-01Not in this releaseNot in this releaseRVU22C
2022-04-01Not in this releaseNot in this releaseRVU22B
2022-01-01Not in this releaseNot in this releaseRVU22A
2021-10-01Not in this releaseNot in this releaseRVU21D
2021-07-01Not in this releaseNot in this releaseRVU21C
2021-04-01Not in this releaseNot in this releaseRVU21B
2021-01-01Not in this releaseNot in this releaseRVU21A
2020-10-01Not in this releaseNot in this releaseRVU20D
2020-07-01Not in this releaseNot in this releaseRVU20C
2020-04-01Not in this releaseNot in this releaseRVU20B
2020-01-01Not in this releaseNot in this releaseRVU20A
2019-10-01Not in this releaseNot in this releaseRVU19D
2019-07-01Not in this releaseNot in this releaseRVU19C
2019-04-01Not in this releaseNot in this releaseRVU19B
2019-01-01Not in this releaseNot in this releaseRVU19A
2018-10-01Not in this releaseNot in this releaseRVU18D
2018-07-01Not in this releaseNot in this releaseRVU18C
2018-04-01Not in this releaseNot in this releaseRVU18B
2018-01-01Not in this releaseNot in this releaseRVU18AR1
2017-10-01Not in this releaseNot in this releaseRVU17D
2017-07-01Not in this releaseNot in this releaseRVU17C
2017-04-01Not in this releaseNot in this releaseRVU17B
2017-01-01Not in this releaseNot in this releaseRVU17A
2016-10-01Not in this releaseNot in this releaseRVU16D
2016-07-01Not in this releaseNot in this releaseRVU16C
2016-04-01Not in this releaseNot in this releaseRVU16B
2016-01-01Not in this releaseNot in this releaseRVU16A
2015-10-01Not in this releaseNot in this releaseRVU15D
2015-07-01Not in this releaseNot in this releaseRVU15C
2015-04-01Not in this releaseNot in this releaseRVU15B
2015-01-01Not in this releaseNot in this releaseRVU15A
2014-10-01Not in this releaseNot in this releaseRVU14D
2014-07-01Not in this releaseNot in this releaseRVU14C
2014-04-01Not in this releaseNot in this releaseRVU14B
2014-01-01Not in this releaseNot in this releaseRVU14A
2013-10-01Not in this releaseNot in this releaseRVU13D
2013-07-01Not in this releaseNot in this releaseRVU13C
2013-04-01Not in this releaseNot in this releaseRVU13B
2013-01-01Not in this releaseNot in this releaseRVU13AR

Price 37278 for an earlier date of service

Where the Puerto Rico rate applies

Puerto Rico is a Medicare payment area, not a city. Our Census mapping connects it to 292 cities and communities in Puerto Rico. Some span more than one payment area; confirm with the service ZIP.

  • Aceitunas
  • Adjuntas
  • Aguada
  • Aguadilla
  • Aguas Buenas
  • Aguas Claras
  • Aguilita
  • Aibonito

Browse all communities in Puerto Rico

37278 billing questions

When is 37278 reported instead of 37277?

Use 37277 for the first complex femoral-popliteal artery treated with stenting and atherectomy. Report 37278 for each additional artery treated with that same combination and classification.

Can 37278 be billed by itself?

No. It is an add-on code and must accompany an applicable primary revascularization procedure.

What documentation supports 37278?

Document the femoral or popliteal artery treated, the use of both atherectomy and a stent, and the findings that support classifying the intervention as complex.

How does CMS handle bilateral reporting?

For a bilateral procedure reported with modifier 50, CMS pays 150% of the applicable amount.

Is payment for 37278 outside the primary procedure's global period?

No. CMS identifies 37278 as an add-on code paid within the primary procedure's global period.

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 37278PPRRVU2026_Oct_nonQPP.csv, line 4,638 (RVU26D)
Geographic factors for Puerto RicoGPCI2026.csv, line 91 (RVU26D)

Open CMS sourceHow we calculate rates

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