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CPT code 11644: Malignant lesion excision, face and related sites, 3.1-4 cm2026 Medicare rate & RVUs in Nevada

Removal of a malignant skin lesion on the face or specified related sites when the lesion plus margins measures 3.1 to 4 cm.

CMS RVU26DEffective Oct 1, 2026One payment locality8.3K Medicare services in 2024

In Nevada, Medicare pays $389.74 for 11644 in the office and $236.61 when it’s performed in a hospital or facility.

$389.74Office (non-facility)
$236.61Hospital or facility
−0.8%vs the national office rate ($392.79)

Check a contract rate as a % of Medicare · 11644 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 11644 for the payment locality that covers the ZIP.

On this page 11 sections
  1. Rate in Nevada
  2. What 11644 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 11644 covers

This code covers excision of a malignant skin lesion on the face, ears, eyelids, nose, or lips, including the margins taken around it. Dermatologists commonly perform these procedures in an office or outpatient setting; plastic surgeons and ophthalmologists may perform them for lesions in their respective areas. The size category is based on the lesion’s greatest diameter plus the narrowest margins needed for complete removal, measured before excision—not the resulting wound or specimen after removal.

Report the code when the documented site and excised diameter including margins fit this category. Record the lesion location, measurement, and malignant diagnosis; pathology findings can support the diagnosis. Simple closure is included, while a separately documented intermediate or complex repair may be reported separately. CMS assigns a 10-day global period, so related postoperative visits during that period are included. When multiple procedures occur in the same session, the highest-valued procedure is paid in full and others at 50%. Modifier 50 is inappropriate. Assistant-at-surgery payment is statutorily restricted, and co-surgeons and team surgery are 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 Nevada compares for 11644

Across 109 of 109 payment localities, the office rate for 11644 runs from $350.55 in Arkansas to $501.65 in San Benito County, CA. Nevada pays $389.74. The RVUs are the same everywhere; the geographic indexes change the dollars.

11644 in Nevada vs other payment areas
  1. Nevada · this page$389.74
  2. Los Angeles, CA · California$434.39+$44.65
  3. Washington, DC area · District of Columbia$443.91+$54.17
  4. Miami, FL · Florida$432.43+$42.69
  5. Chicago, IL · Illinois$420.46+$30.72
  6. Manhattan, NY · New York$450.94+$61.20
  7. Alaska · Alaska$469.66+$79.92

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

Every other payment area

11644 in every other Medicare payment locality
Payment localityOfficeFacility
AlabamaAlabama$355.27$221.41
ArkansasArkansas$350.55$219.15
ArizonaArizona$382.77$234.54
Bakersfield, CACalifornia$410.03$242.36
Chico, CACalifornia$408.31$240.64
El Centro, CACalifornia$408.40$240.74
Fresno, CACalifornia$408.31$240.64
Hanford, CACalifornia$408.31$240.64

11644 rates by state

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

MEWIVTNHMTNDMNMINYMARIWAIDWYSDIAILINOHPANJCTORNVUTCONEMOKYWVVAMDDECAAZNMKSOKARTNNCSCDCTXLAMSALGAFLAKHI

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.

$350.55

$469.66

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

View every state and territory as a table
11644 office rate range by state
State / territoryOffice rate rangeLocalities
AK$469.661
AL$355.271
AR$350.551
AZ$382.771
CA$408.31–$501.6529
CO$405.011
CT$417.611
DC$443.911
DE$388.731
FL$392.51–$432.433
GA$371.54–$400.892
GU$416.261
HI$416.261
IA$361.211
ID$363.871
IL$383.72–$420.464
IN$365.741
KS$360.771
KY$365.391
LA$365.31–$381.802
MA$403.34–$441.392
MD$395.37–$443.913
ME$366.80–$383.442
MI$375.17–$398.202
MN$385.641
MO$360.29–$381.713
MS$355.431
MT$392.761
NC$370.151
ND$381.091
NE$362.691
NH$399.841
NJ$421.68–$440.122
NM$377.521
NV$389.741
NY$375.35–$462.545
OH$372.791
OK$363.601
OR$386.01–$415.742
PA$372.70–$408.642
PR$395.051
RI$401.001
SC$372.221
SD$379.711
TN$362.581
TX$370.53–$404.288
UT$376.881
VA$383.06–$443.912
VI$395.051
VT$380.741
WA$402.21–$448.872
WI$369.421
WV$370.921
WY$387.671

See 11644 in every payment locality

How the 11644 rate is calculated

Each of 11644’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 · 11644

RVUs × geographic indexes × conversion factor

Office or facility?

Work4.23

4.23 RVUs× 1.000 GPCI

Practice expense6.94

6.94 RVUs× 1.000 GPCI

Malpractice0.59

0.59 RVUs× 1.000 GPCI

Adjusted RVUs

11.7600

Conversion factor

$33.4009

Medicare rate

$392.79

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

The exact Nevada inputs and CMS source lines

PPRRVU2026_Oct_nonQPP.csv

1,357

Code
11644
Physician work
4.23
Practice expense
6.94
Malpractice
0.59

GPCI2026.csv

73

Locality
Nevada
Physician work
1.000
Practice expense
1.001
Malpractice
0.833
Office calculation for 11644 in Nevada
ComponentRVULocality factorAdjusted
Physician work4.23× 1.0004.2300
Practice expense6.94× 1.0016.9469
Malpractice0.59× 0.8330.4915
Total RVUs11.6684
Conversion factor× 33.4009

Office rate, Nevada$389.74

Office: (4.23 × 1 + 6.94 × 1.001 + 0.59 × 0.833) × $33.4009 = $389.74

Facility: (4.23 × 1 + 2.36 × 1.001 + 0.59 × 0.833) × $33.4009 = $236.61

Open 11644 in the RVU calculator

Payment rules and modifiers for 11644

11644 has a 10-day global period: related visits in that window are included in the surgery payment.

CMS payment indicators · 11644

Malignant lesion excision, face and related sites, 3.1-4 cm

RuleCMS valueWhat it means
Global period010Minor procedure: the day of the procedure plus 10 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)1Not paid (statutory restriction).
Co-surgeons (62)0Not permitted.
Team surgery (66)0Not permitted.
Professional/technical0Physician service: no professional/technical split.
Split (54/55/56)0.10/0.80/0.10Share of the payment for pre-op, the procedure itself, and post-op care.

Global surgery period · 11644

Malignant lesion excision, face and related sites, 3.1-4 cm

10-day global period ends

Oct 11, 2026

Covers Oct 1, 2026 through Oct 11, 2026 (11 days).

Visit on Oct 31, 2026

After the global period ends: visits and procedures are billed normally.

SurgeryVisit
Sep 28, 2026Oct 14, 2026

What modifiers do to the payment

Modifier 51 · payment effect

With and without the modifier

11644 without 51 · national office

$392.79

Malignant lesion excision, face and related sites, 3.1-4 cm

11644-51 · Second procedure: 50%

$196.40

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

Codes related to 11644

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

Codes related to 11644
CodeHow it relatesOffice range, Nevada
Same family
11643Malignant lesion excision, face, ears, eyelids, nose, lipsSame anatomic sites; applies to the smaller size band immediately below this code.$313.76
11646Malignant lesion excision, face and related sites, over 4 cmSame anatomic sites; applies when the lesion plus margins exceeds 4 cm.$510.36
11642Skin lesion excision, face, ears, eyelids, nose, lipsSame anatomic sites; applies to a smaller lesion-plus-margins size band.$265.37
11604Malignant excision, trunk or extremity, 3.1–4 cmSame size band for malignant lesions on the trunk, arms, or legs.$308.93
11624Skin excision, 3.1–4 cm excised diameterSame size band for malignant lesions on the scalp, neck, hands, feet, or genitalia.$336.88

How 11644 has changed in Nevada

11644 · Office / nonfacility

$389.74

Effective 2026-10-01

The base rate is $14.79 higher than on 2025-10-01, moving from $374.95 to $389.74 (3.9%).

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

    $374.95changed to$389.74

    • Conversion factor 32.3465 changed to 33.4009
    • Work RVU 4.34 changed to 4.23
    • Practice expense RVU 6.72 changed to 6.94
    • Malpractice RVU 0.63 changed to 0.59
    • Practice expense GPCI 1.000 changed to 1.001
    • Malpractice GPCI 0.844 changed to 0.833

    Held through RVU26B, RVU26C, RVU26D.

  2. January 1, 2025

    RVU25A

    $386.24changed to$374.95

    • Conversion factor 33.2875 changed to 32.3465
    • Practice expense RVU 6.74 changed to 6.72
    • Malpractice RVU 0.62 changed to 0.63

    Held through RVU25B, RVU25C, RVU25D.

  3. March 9, 2024

    RVU24AR

    $379.94changed to$386.24

    • Conversion factor 32.7442 changed to 33.2875

    Held through RVU24B, RVU24C, RVU24D.

  4. January 1, 2024

    RVU24A

    $396.44changed to$379.94

    • Conversion factor 33.8872 changed to 32.7442
    • Practice expense RVU 6.70 changed to 6.74
    • Malpractice RVU 0.60 changed to 0.62
    • Malpractice GPCI 1.098 changed to 0.844

  5. January 1, 2023

    RVU23A

    $407.05changed to$396.44

    • Conversion factor 34.6062 changed to 33.8872
    • Practice expense RVU 6.59 changed to 6.70
    • Work GPCI 1.005 changed to 1.000
    • Malpractice GPCI 1.351 changed to 1.098

    Held through RVU23B, RVU23C, RVU23D.

  6. January 1, 2022

    RVU22A

    $409.85changed to$407.05

    • Conversion factor 34.8931 changed to 34.6062
    • Practice expense RVU 6.56 changed to 6.59
    • Malpractice RVU 0.61 changed to 0.60

    Held through RVU22B, RVU22C, RVU22D.

  7. January 1, 2021

    RVU21A

    $406.92changed to$409.85

    • Conversion factor 36.0896 changed to 34.8931
    • Practice expense RVU 6.24 changed to 6.56
    • Malpractice RVU 0.60 changed to 0.61
    • Work GPCI 1.004 changed to 1.005
    • Malpractice GPCI 1.130 changed to 1.351

    Held through RVU21B, RVU21C, RVU21D.

  8. January 1, 2020

    RVU20A

    $406.20changed to$406.92

    • Conversion factor 36.0391 changed to 36.0896
    • Practice expense RVU 6.19 changed to 6.24
    • Malpractice RVU 0.69 changed to 0.60
    • Work GPCI 1.002 changed to 1.004
    • Practice expense GPCI 1.017 changed to 1.000
    • Malpractice GPCI 0.909 changed to 1.130

    Held through RVU20B, RVU20C, RVU20D.

  9. January 1, 2019

    RVU19A

    $407.18changed to$406.20

    • Conversion factor 35.9996 changed to 36.0391
    • Practice expense RVU 6.22 changed to 6.19
    • Malpractice RVU 0.70 changed to 0.69

    Held through RVU19B, RVU19C, RVU19D.

  10. January 1, 2018

    RVU18AR1

    $409.14changed to$407.18

    • Conversion factor 35.8887 changed to 35.9996
    • Practice expense RVU 6.18 changed to 6.22
    • Malpractice RVU 0.69 changed to 0.70
    • Work GPCI 1.004 changed to 1.002
    • Practice expense GPCI 1.034 changed to 1.017
    • Malpractice GPCI 0.946 changed to 0.909

    Held through RVU18B, RVU18C, RVU18D.

  11. January 1, 2017

    RVU17A

    $412.58changed to$409.14

    • Conversion factor 35.8043 changed to 35.8887
    • Practice expense RVU 6.16 changed to 6.18
    • Malpractice RVU 0.70 changed to 0.69
    • Work GPCI 1.005 changed to 1.004
    • Practice expense GPCI 1.051 changed to 1.034
    • Malpractice GPCI 0.982 changed to 0.946

    Held through RVU17B, RVU17C, RVU17D.

  12. January 1, 2016

    RVU16A

    $412.99changed to$412.58

    • Conversion factor 35.9335 changed to 35.8043
    • Practice expense RVU 6.15 changed to 6.16
    • Malpractice RVU 0.68 changed to 0.70

    Held through RVU16B, RVU16C, RVU16D.

  13. July 1, 2015

    RVU15C

    $410.93changed to$412.99

    • Conversion factor 35.7547 changed to 35.9335

    Held through RVU15D.

  14. January 1, 2015

    RVU15A

    $411.62changed to$410.93

    • Conversion factor 35.8228 changed to 35.7547
    • Practice expense RVU 6.06 changed to 6.15
    • Work GPCI 1.001 changed to 1.005
    • Practice expense GPCI 1.055 changed to 1.051
    • Malpractice GPCI 1.107 changed to 0.982

    Held through RVU15B.

  15. January 1, 2014

    RVU14A

    $420.76changed to$411.62

    • Conversion factor 34.0230 changed to 35.8228
    • Practice expense RVU 6.76 changed to 6.06
    • Malpractice RVU 0.71 changed to 0.68
    • Work GPCI 1.000 changed to 1.001
    • Practice expense GPCI 1.058 changed to 1.055
    • Malpractice GPCI 1.232 changed to 1.107

    Held through RVU14B, RVU14C, RVU14D.

  16. October 1, 2013

    RVU13D

    No ratechanged to$420.76

  17. January 1, 2013

    RVU13AR

    Earliest loaded release: No rate

    Held through RVU13B, RVU13C.

Rates in every CMS release
Effective fromOfficeFacilityCMS release
2026-10-01$389.74$236.61RVU26D
2026-07-01$389.74$236.61RVU26C
2026-04-01$389.74$236.61RVU26B
2026-01-01$389.74$236.61RVU26A
2025-10-01$374.95$270.80RVU25D
2025-07-01$374.95$270.80RVU25C
2025-04-01$374.95$270.80RVU25B
2025-01-01$374.95$270.80RVU25A
2024-10-01$386.24$276.73RVU24D
2024-07-01$386.24$276.73RVU24C
2024-04-01$386.24$276.73RVU24B
2024-03-09$386.24$276.73RVU24AR
2024-01-01$379.94$272.21RVU24A
2023-10-01$396.44$285.29RVU23D
2023-07-01$396.44$285.29RVU23C
2023-04-01$396.44$285.29RVU23B
2023-01-01$396.44$285.29RVU23A
2022-10-01$407.05$293.89RVU22D
2022-07-01$407.05$293.89RVU22C
2022-04-01$407.05$293.89RVU22B
2022-01-01$407.05$293.89RVU22A
2021-10-01$409.85$295.05RVU21D
2021-07-01$409.85$295.05RVU21C
2021-04-01$409.85$295.05RVU21B
2021-01-01$409.85$295.05RVU21A
2020-10-01$406.92$297.21RVU20D
2020-07-01$406.92$297.21RVU20C
2020-04-01$406.92$297.21RVU20B
2020-01-01$406.92$297.21RVU20A
2019-10-01$406.20$295.88RVU19D
2019-07-01$406.20$295.88RVU19C
2019-04-01$406.20$295.88RVU19B
2019-01-01$406.20$295.88RVU19A
2018-10-01$407.18$295.88RVU18D
2018-07-01$407.18$295.88RVU18C
2018-04-01$407.18$295.88RVU18B
2018-01-01$407.18$295.88RVU18AR1
2017-10-01$409.14$298.18RVU17D
2017-07-01$409.14$298.18RVU17C
2017-04-01$409.14$298.18RVU17B
2017-01-01$409.14$298.18RVU17A
2016-10-01$412.58$300.07RVU16D
2016-07-01$412.58$300.07RVU16C
2016-04-01$412.58$300.07RVU16B
2016-01-01$412.58$300.07RVU16A
2015-10-01$412.99$299.69RVU15D
2015-07-01$412.99$299.69RVU15C
2015-04-01$410.93$298.20RVU15B
2015-01-01$410.93$298.20RVU15A
2014-10-01$411.62$300.88RVU14D
2014-07-01$411.62$300.88RVU14C
2014-04-01$411.62$300.88RVU14B
2014-01-01$411.62$300.88RVU14A
2013-10-01$420.76$301.25RVU13D
2013-07-01Rate data unavailableRate data unavailableRVU13C
2013-04-01Rate data unavailableRate data unavailableRVU13B
2013-01-01Rate data unavailableRate data unavailableRVU13AR

Price 11644 for an earlier date of service

Where the Nevada rate applies

Nevada is a Medicare payment area, not a city. Our Census mapping connects it to 138 cities and communities in Nevada. Some span more than one payment area; confirm with the service ZIP.

  • Alamo
  • Amargosa Valley
  • Austin
  • Baker
  • Battle Mountain
  • Beatty
  • Beaverdam
  • Bennett Springs

Browse all communities in Nevada

11644 billing questions

How is the 3.1-4 cm size determined?

Measure the lesion’s greatest diameter together with the narrowest margins needed for complete removal, before excision. Do not use the postoperative defect or specimen dimensions.

How does this differ from code 11643?

Both codes cover the same anatomic sites and malignant-lesion excision. Choose 11644 when the lesion plus margins measures 3.1-4 cm; 11643 is for the smaller size band.

Is closure included in this code?

Simple closure is included. A separately documented intermediate or complex repair may be reported when the repair service meets the applicable criteria.

Can modifier 50 be used for lesions on both sides?

No. CMS identifies bilateral adjustment as inappropriate for this code; modifier 50 should not be used.

Are postoperative visits included?

Related postoperative visits during the 10-day global period are included in the procedure payment.

How does CMS handle other procedures performed in the same session?

Under the standard multiple procedure reduction, the highest-valued procedure is paid in full and the other procedures are paid at 50%. Assistant-at-surgery payment is statutorily restricted; co-surgeons and team surgery are 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 11644PPRRVU2026_Oct_nonQPP.csv, line 1,357 (RVU26D)
Geographic factors for NevadaGPCI2026.csv, line 73 (RVU26D)

Open CMS sourceHow we calculate rates

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