CPT code 15734: Trunk flap, muscle, skin, or fascia flap2026 Medicare rate & RVUs in Puerto Rico

Reports transfer of a muscle-based, skin-and-muscle, or fascia-and-skin flap to cover or reconstruct a defect of the trunk.

CMS RVU26DEffective Oct 1, 2026One payment locality29.5K Medicare services in 2024

In Puerto Rico, Medicare pays $1,389.49 for 15734 in a facility. There’s no office rate.

Not available in this settingOffice (non-facility)
$1,389.49Hospital or facility

Check a contract rate as a % of Medicare · 15734 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 15734 for the payment locality that covers the ZIP.

On this page 11 sections
  1. Rate in Puerto Rico
  2. What 15734 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 15734 covers

This code describes moving a muscle-based, skin-and-muscle, or fascia-and-skin flap to cover or reconstruct a trunk defect. Plastic, general, and reconstructive surgeons may use it after tumor removal or trauma, or when durable tissue coverage is needed for an abdominal or chest-wall defect. Pedicled rectus-based reconstruction and trunk pressure-wound coverage are representative settings. A flap carries its blood supply during transfer, unlike a free skin graft.

Select the code based on the flap tissue and the recipient region, rather than defect size alone. The operative report should identify the flap components, donor and recipient sites, and transfer method, including whether the flap remains pedicled or is transferred as free tissue. 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 the others are subject to the standard 50% reduction. Modifier 50 is inappropriate. Assistant-at-surgery payment may be made; 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 Puerto Rico compares for 15734

Across 109 of 109 payment localities, the facility rate for 15734 runs from $1,239.68 in Arkansas to $1,717.35 in Alaska. Puerto Rico pays $1,389.49. The RVUs are the same everywhere; the geographic indexes change the dollars.

15734 in Puerto Rico vs other payment areas
  1. Puerto Rico · this page$1,389.49
  2. Los Angeles, CA · California$1,447.88+$58.39
  3. Washington, DC area · District of Columbia$1,529.95+$140.46
  4. Miami, FL · Florida$1,660.46+$270.97
  5. Chicago, IL · Illinois$1,609.81+$220.32
  6. Manhattan, NY · New York$1,608.57+$219.08
  7. Alaska · Alaska$1,717.35+$327.86

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

Every other payment area

15734 in every other Medicare payment locality
Payment localityOfficeFacility
AlabamaAlabama—$1,255.70
ArkansasArkansas—$1,239.68
ArizonaArizona—$1,348.24
Bakersfield, CACalifornia—$1,381.25
Chico, CACalifornia—$1,367.60
El Centro, CACalifornia—$1,368.44
Fresno, CACalifornia—$1,367.60
Hanford, CACalifornia—$1,367.60

15734 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
15734 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 15734 in every payment locality

How the 15734 rate is calculated

Each of 15734’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 · 15734

RVUs × geographic indexes × conversion factor

Office or facility?

Work22.43

22.43 RVUs× 1.000 GPCI

Practice expense14.11

14.11 RVUs× 1.000 GPCI

Malpractice4.98

4.98 RVUs× 1.000 GPCI

Adjusted RVUs

41.5200

Conversion factor

$33.4009

Medicare rate

$1,386.81

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

1,532

Code
15734
Physician work
22.43
Practice expense
14.11
Malpractice
4.98

GPCI2026.csv

91

Locality
Puerto Rico
Physician work
1.000
Practice expense
1.011
Malpractice
0.985
Facility calculation for 15734 in Puerto Rico
ComponentRVULocality factorAdjusted
Physician work22.43× 1.00022.4300
Practice expense14.11× 1.01114.2652
Malpractice4.98× 0.9854.9053
Total RVUs41.6005
Conversion factor× 33.4009

Facility rate, Puerto Rico$1389.49

Facility: (22.43 × 1 + 14.11 × 1.011 + 4.98 × 0.985) × $33.4009 = $1389.49

Open 15734 in the RVU calculator

Payment rules and modifiers for 15734

15734 has a 90-day global period: related visits in that window are included in the surgery payment.

CMS payment indicators · 15734

Trunk flap, muscle, skin, or fascia flap

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)0The 150% bilateral adjustment doesn’t apply.
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)0.10/0.71/0.19Share of the payment for pre-op, the procedure itself, and post-op care.

Global surgery period · 15734

Trunk flap, muscle, skin, or fascia flap

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 51 · payment effect

With and without the modifier

15734 without 51 · national facility

$1,386.81

Trunk flap, muscle, skin, or fascia flap

15734-51 · Second procedure: 50%

$693.41

When this isn’t the highest-valued procedure in the session, Medicare pays 50% of its fee schedule amount (the highest is paid at 100%).

When to use modifier 51

How 15734 has changed in Puerto Rico

15734 · 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
  1. January 1, 2018

    RVU18AR1

    $1391.83changed toNo rate

    Held through 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, RVU26A, RVU26B, RVU26C, RVU26D.

  2. January 1, 2017

    RVU17A

    $1236.25changed to$1391.83

    • Conversion factor 35.8043 changed to 35.8887
    • Practice expense RVU 19.16 changed to 19.15
    • Malpractice RVU 3.96 changed to 3.94
    • Practice expense GPCI 0.705 changed to 0.856
    • Malpractice GPCI 0.293 changed to 0.642

    Held through RVU17B, RVU17C, RVU17D.

  3. January 1, 2016

    RVU16A

    $1237.91changed to$1236.25

    • Conversion factor 35.9335 changed to 35.8043
    • Practice expense RVU 19.07 changed to 19.16
    • Malpractice RVU 3.91 changed to 3.96

    Held through RVU16B, RVU16C, RVU16D.

  4. July 1, 2015

    RVU15C

    $1231.75changed to$1237.91

    • Conversion factor 35.7547 changed to 35.9335

    Held through RVU15D.

  5. January 1, 2015

    RVU15A

    $1219.03changed to$1231.75

    • Conversion factor 35.8228 changed to 35.7547
    • Practice expense RVU 18.98 changed to 19.07
    • Malpractice RVU 3.82 changed to 3.91
    • Practice expense GPCI 0.692 changed to 0.705
    • Malpractice GPCI 0.271 changed to 0.293

    Held through RVU15B.

  6. January 1, 2014

    RVU14A

    $1193.23changed to$1219.03

    • Conversion factor 34.0230 changed to 35.8228
    • Practice expense RVU 20.97 changed to 18.98
    • Malpractice RVU 3.99 changed to 3.82
    • Practice expense GPCI 0.678 changed to 0.692
    • Malpractice GPCI 0.249 changed to 0.271

    Held through RVU14B, RVU14C, RVU14D.

  7. January 1, 2013

    RVU13AR

    Earliest loaded release: $1193.23

    Held through RVU13B, RVU13C, RVU13D.

Rates in every CMS release
Effective fromOfficeFacilityCMS release
2026-10-01Not available in this setting$1,389.49RVU26D
2026-07-01Not available in this setting$1,389.49RVU26C
2026-04-01Not available in this setting$1,389.49RVU26B
2026-01-01Not available in this setting$1,389.49RVU26A
2025-10-01Not available in this setting$1,467.33RVU25D
2025-07-01Not available in this setting$1,467.33RVU25C
2025-04-01Not available in this setting$1,467.33RVU25B
2025-01-01Not available in this setting$1,467.33RVU25A
2024-10-01Not available in this setting$1,499.25RVU24D
2024-07-01Not available in this setting$1,499.25RVU24C
2024-04-01Not available in this setting$1,499.25RVU24B
2024-03-09Not available in this setting$1,499.25RVU24AR
2024-01-01Not available in this setting$1,474.78RVU24A
2023-10-01Not available in this setting$1,519.43RVU23D
2023-07-01Not available in this setting$1,517.47RVU23C
2023-04-01Not available in this setting$1,517.47RVU23B
2023-01-01Not available in this setting$1,517.47RVU23A
2022-10-01Not available in this setting$1,542.55RVU22D
2022-07-01Not available in this setting$1,542.55RVU22C
2022-04-01Not available in this setting$1,542.55RVU22B
2022-01-01Not available in this setting$1,542.55RVU22A
2021-10-01Not available in this setting$1,543.87RVU21D
2021-07-01Not available in this setting$1,543.87RVU21C
2021-04-01Not available in this setting$1,543.87RVU21B
2021-01-01Not available in this setting$1,543.87RVU21A
2020-10-01Not available in this setting$1,576.42RVU20D
2020-07-01Not available in this setting$1,576.42RVU20C
2020-04-01Not available in this setting$1,576.42RVU20B
2020-01-01Not available in this setting$1,576.42RVU20A
2019-10-01Not available in this setting$1,568.95RVU19D
2019-07-01Not available in this setting$1,568.95RVU19C
2019-04-01Not available in this setting$1,568.95RVU19B
2019-01-01Not available in this setting$1,568.95RVU19A
2018-10-01Not available in this setting$1,570.54RVU18D
2018-07-01Not available in this setting$1,570.54RVU18C
2018-04-01Not available in this setting$1,570.54RVU18B
2018-01-01Not available in this setting$1,570.54RVU18AR1
2017-10-01$1,391.83$1,238.23RVU17D
2017-07-01$1,391.83$1,238.23RVU17C
2017-04-01$1,391.83$1,238.23RVU17B
2017-01-01$1,391.83$1,238.23RVU17A
2016-10-01$1,236.25$1,109.79RVU16D
2016-07-01$1,236.25$1,109.79RVU16C
2016-04-01$1,236.25$1,109.79RVU16B
2016-01-01$1,236.25$1,109.79RVU16A
2015-10-01$1,237.91$1,113.27RVU15D
2015-07-01$1,237.91$1,113.27RVU15C
2015-04-01$1,231.75$1,107.73RVU15B
2015-01-01$1,231.75$1,107.73RVU15A
2014-10-01$1,219.03$1,101.03RVU14D
2014-07-01$1,219.03$1,101.03RVU14C
2014-04-01$1,219.03$1,101.03RVU14B
2014-01-01$1,219.03$1,101.03RVU14A
2013-10-01$1,193.23$1,069.12RVU13D
2013-07-01$1,193.23$1,069.12RVU13C
2013-04-01$1,193.23$1,069.12RVU13B
2013-01-01$1,193.23$1,069.12RVU13AR

Price 15734 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

15734 billing questions

How is this code distinguished from the arm and leg flap codes?

Use this code when the flap covers a trunk defect. The related arm and leg codes are selected for defects in those respective regions.

When would a free-flap code be considered instead?

A free-flap code is considered when tissue is completely separated from its donor site and transferred with microvascular reconnection. This code represents a trunk flap that is not reported as a free microvascular flap.

Should modifier 50 be used for bilateral trunk work?

No. CMS identifies bilateral adjustment as inappropriate for this code.

What documentation supports reporting this code?

The operative report should describe the flap tissue, donor and recipient locations, and how the flap was transferred to cover the trunk defect.

How are multiple procedures in the same session paid?

CMS pays the highest-valued procedure in full and applies the standard multiple-procedure reduction to the others. The code also has a 90-day 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 15734PPRRVU2026_Oct_nonQPP.csv, line 1,532 (RVU26D)
Geographic factors for Puerto RicoGPCI2026.csv, line 91 (RVU26D)

Open CMS sourceHow we calculate rates

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