CPT code 17313: Mohs surgery, first stage, trunk or extremity2026 Medicare rate & RVUs in Virginia

Mohs surgery for a first tissue stage on the trunk, arms, or legs, including mapped specimen processing and microscopic margin assessment by the surgeon.

CMS RVU26DEffective Oct 1, 2026One payment locality205.7K Medicare services in 2024

In Virginia, Medicare pays $613.79 for 17313 in the office and $251.32 when it’s performed in a hospital or facility.

$613.79Office (non-facility)
$251.32Hospital or facility
−2.0%vs the national office rate ($626.27)

Check a contract rate as a % of Medicare · 17313 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 17313 for the payment locality that covers the ZIP.

On this page 11 sections
  1. Rate in Virginia
  2. What 17313 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 17313 covers

A Mohs surgeon removes a skin cancer in mapped tissue layers, processes and examines the tissue microscopically, and uses the findings to guide further removal while preserving uninvolved tissue. This code represents the first stage for a lesion on the trunk, an arm, or a leg. It is commonly used for cutaneous basal cell or squamous cell carcinomas treated in a dermatology office or hospital outpatient setting.

Report one first-stage service for the treated site, with the number of tissue blocks documented; the first stage includes up to five blocks. Record the anatomic site, mapping, blocks examined, and histologic findings. Additional stages are reported with 17314, and additional blocks beyond the included amount with 17315. Same-day preoperative and postoperative care is included in the 0-day global period. When other procedures are performed in the same session, the highest-valued procedure is paid in full and the others are subject to the standard multiple-procedure reduction. Modifier 50 is inappropriate. Medicare does not pay an assistant at surgery; 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 Virginia compares for 17313

Across 109 of 109 payment localities, the office rate for 17313 runs from $557.40 in Arkansas to $826.94 in San Benito County, CA. Virginia pays $613.79. The RVUs are the same everywhere; the geographic indexes change the dollars.

17313 in Virginia vs other payment areas
  1. Virginia · this page$613.79
  2. Los Angeles, CA · California$705.98+$92.19
  3. Washington, DC area · District of Columbia$714.14+$100.35
  4. Miami, FL · Florida$670.86+$57.07
  5. Chicago, IL · Illinois$652.60+$38.81
  6. Manhattan, NY · New York$717.49+$103.70
  7. Alaska · Alaska$736.62+$122.83

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

Every other payment area

17313 in every other Medicare payment locality
Payment localityOfficeFacility
AlabamaAlabama$565.14$242.49
ArkansasArkansas$557.40$240.65
ArizonaArizona$610.46$253.15
Bakersfield, CACalifornia$663.83$259.68
Chico, CACalifornia$662.17$258.03
El Centro, CACalifornia$662.26$258.12
Fresno, CACalifornia$662.17$258.03
Hanford, CACalifornia$662.17$258.03

17313 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.

$557.40

$744.56

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

View every state and territory as a table
17313 office rate range by state
State / territoryOffice rate rangeLocalities
AK$736.621
AL$565.141
AR$557.401
AZ$610.461
CA$662.17–$826.9429
CO$651.921
CT$666.521
DC$714.141
DE$620.251
FL$616.36–$670.863
GA$583.49–$637.212
GU$677.391
HI$677.391
IA$579.251
ID$582.741
IL$599.04–$652.744
IN$585.961
KS$576.441
KY$577.311
LA$576.36–$603.452
MA$648.23–$714.682
MD$631.76–$714.143
ME$585.37–$615.892
MI$591.36–$623.452
MN$626.201
MO$566.81–$605.783
MS$562.221
MT$626.231
NC$591.231
ND$615.751
NE$582.341
NH$641.581
NJ$674.56–$707.282
NM$594.341
NV$623.741
NY$599.63–$733.835
OH$589.211
OK$576.571
OR$619.30–$672.092
PA$590.24–$650.472
PR$630.701
RI$641.901
SC$591.121
SD$614.511
TN$579.171
TX$586.53–$649.418
UT$598.811
VA$613.79–$714.142
VI$630.701
VT$613.251
WA$647.05–$729.132
WI$596.061
WV$577.891
WY$621.661

See 17313 in every payment locality

How the 17313 rate is calculated

Each of 17313’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 · 17313

RVUs × geographic indexes × conversion factor

Office or facility?

Work5.42

5.42 RVUs× 1.000 GPCI

Practice expense12.80

12.80 RVUs× 1.000 GPCI

Malpractice0.53

0.53 RVUs× 1.000 GPCI

Adjusted RVUs

18.7500

Conversion factor

$33.4009

Medicare rate

$626.27

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

The exact Virginia inputs and CMS source lines

PPRRVU2026_Oct_nonQPP.csv

1,648

Code
17313
Physician work
5.42
Practice expense
12.80
Malpractice
0.53

GPCI2026.csv

106

Locality
Virginia
Physician work
1.000
Practice expense
0.983
Malpractice
0.706
Office calculation for 17313 in Virginia
ComponentRVULocality factorAdjusted
Physician work5.42× 1.0005.4200
Practice expense12.80× 0.98312.5824
Malpractice0.53× 0.7060.3742
Total RVUs18.3766
Conversion factor× 33.4009

Office rate, Virginia$613.79

Office: (5.42 × 1 + 12.8 × 0.983 + 0.53 × 0.706) × $33.4009 = $613.79

Facility: (5.42 × 1 + 1.76 × 0.983 + 0.53 × 0.706) × $33.4009 = $251.32

Open 17313 in the RVU calculator

Payment rules and modifiers for 17313

The CMS indicators that decide how 17313 is paid alongside other services.

CMS payment indicators · 17313

Mohs surgery, first stage, trunk or extremity

RuleCMS valueWhat it means
Global period000Same-day global: pre- and post-op care on the day of the procedure is 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.

What modifiers do to the payment

Modifier 51 · payment effect

With and without the modifier

17313 without 51 · national office

$626.27

Mohs surgery, first stage, trunk or extremity

17313-51 · Second procedure: 50%

$313.14

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 17313 has changed in Virginia

17313 · Office / nonfacility

$613.79

Effective 2026-10-01

The base rate is $3.49 higher than on 2025-10-01, moving from $610.30 to $613.79 (0.6%).

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

    $610.30changed to$613.79

    • Conversion factor 32.3465 changed to 33.4009
    • Work RVU 5.56 changed to 5.42
    • Practice expense RVU 13.06 changed to 12.80
    • Malpractice RVU 0.59 changed to 0.53
    • Work GPCI 1.002 changed to 1.000
    • Practice expense GPCI 0.984 changed to 0.983
    • Malpractice GPCI 0.755 changed to 0.706

    Held through RVU26B, RVU26C, RVU26D.

  2. January 1, 2025

    RVU25A

    $628.46changed to$610.30

    • Conversion factor 33.2875 changed to 32.3465
    • Practice expense RVU 13.08 changed to 13.06
    • Malpractice RVU 0.58 changed to 0.59

    Held through RVU25B, RVU25C, RVU25D.

  3. March 9, 2024

    RVU24AR

    $618.20changed to$628.46

    • Conversion factor 32.7442 changed to 33.2875

    Held through RVU24B, RVU24C, RVU24D.

  4. January 1, 2024

    RVU24A

    $638.76changed to$618.20

    • Conversion factor 33.8872 changed to 32.7442
    • Practice expense RVU 12.94 changed to 13.08
    • Work GPCI 1.000 changed to 1.002
    • Practice expense GPCI 0.990 changed to 0.984
    • Malpractice GPCI 0.826 changed to 0.755
  5. January 1, 2023

    RVU23A

    $641.96changed to$638.76

    • Conversion factor 34.6062 changed to 33.8872
    • Practice expense RVU 12.56 changed to 12.94
    • Malpractice RVU 0.55 changed to 0.58
    • Practice expense GPCI 0.995 changed to 0.990
    • Malpractice GPCI 0.897 changed to 0.826

    Held through RVU23B, RVU23C, RVU23D.

  6. January 1, 2022

    RVU22A

    $643.92changed to$641.96

    • Conversion factor 34.8931 changed to 34.6062
    • Practice expense RVU 12.49 changed to 12.56
    • Malpractice RVU 0.52 changed to 0.55

    Held through RVU22B, RVU22C, RVU22D.

  7. January 1, 2021

    RVU21A

    $631.76changed to$643.92

    • Conversion factor 36.0896 changed to 34.8931
    • Practice expense RVU 11.58 changed to 12.49
    • Practice expense GPCI 0.991 changed to 0.995
    • Malpractice GPCI 0.903 changed to 0.897

    Held through RVU21B, RVU21C, RVU21D.

  8. January 1, 2020

    RVU20A

    $631.24changed to$631.76

    • Conversion factor 36.0391 changed to 36.0896
    • Practice expense RVU 11.37 changed to 11.58
    • Malpractice RVU 0.82 changed to 0.52
    • Practice expense GPCI 0.986 changed to 0.991
    • Malpractice GPCI 0.908 changed to 0.903

    Held through RVU20B, RVU20C, RVU20D.

  9. January 1, 2019

    RVU19A

    $625.19changed to$631.24

    • Conversion factor 35.9996 changed to 36.0391
    • Practice expense RVU 11.21 changed to 11.37
    • Malpractice RVU 0.83 changed to 0.82

    Held through RVU19B, RVU19C, RVU19D.

  10. January 1, 2018

    RVU18AR1

    $620.20changed to$625.19

    • Conversion factor 35.8887 changed to 35.9996
    • Practice expense RVU 11.17 changed to 11.21
    • Practice expense GPCI 0.985 changed to 0.986
    • Malpractice GPCI 0.866 changed to 0.908

    Held through RVU18B, RVU18C, RVU18D.

  11. January 1, 2017

    RVU17A

    $614.53changed to$620.20

    • Conversion factor 35.8043 changed to 35.8887
    • Practice expense RVU 11.10 changed to 11.17
    • Malpractice RVU 0.84 changed to 0.83
    • Practice expense GPCI 0.983 changed to 0.985
    • Malpractice GPCI 0.824 changed to 0.866

    Held through RVU17B, RVU17C, RVU17D.

  12. January 1, 2016

    RVU16A

    $614.73changed to$614.53

    • Conversion factor 35.9335 changed to 35.8043
    • Practice expense RVU 11.11 changed to 11.10
    • Malpractice RVU 0.76 changed to 0.84

    Held through RVU16B, RVU16C, RVU16D.

  13. July 1, 2015

    RVU15C

    $611.67changed to$614.73

    • Conversion factor 35.7547 changed to 35.9335

    Held through RVU15D.

  14. January 1, 2015

    RVU15A

    $599.93changed to$611.67

    • Conversion factor 35.8228 changed to 35.7547
    • Practice expense RVU 10.82 changed to 11.11
    • Malpractice RVU 0.75 changed to 0.76
    • Practice expense GPCI 0.980 changed to 0.983
    • Malpractice GPCI 0.778 changed to 0.824

    Held through RVU15B.

  15. January 1, 2014

    RVU14A

    $590.17changed to$599.93

    • Conversion factor 34.0230 changed to 35.8228
    • Practice expense RVU 11.48 changed to 10.82
    • Malpractice RVU 0.78 changed to 0.75
    • Practice expense GPCI 0.977 changed to 0.980
    • Malpractice GPCI 0.731 changed to 0.778

    Held through RVU14B, RVU14C, RVU14D.

  16. January 1, 2013

    RVU13AR

    Earliest loaded release: $590.17

    Held through RVU13B, RVU13C, RVU13D.

Rates in every CMS release
Effective fromOfficeFacilityCMS release
2026-10-01$613.79$251.32RVU26D
2026-07-01$613.79$251.32RVU26C
2026-04-01$613.79$251.32RVU26B
2026-01-01$613.79$251.32RVU26A
2025-10-01$610.30$301.88RVU25D
2025-07-01$610.30$301.88RVU25C
2025-04-01$610.30$301.88RVU25B
2025-01-01$610.30$301.88RVU25A
2024-10-01$628.46$308.12RVU24D
2024-07-01$628.46$308.12RVU24C
2024-04-01$628.46$308.12RVU24B
2024-03-09$628.46$308.12RVU24AR
2024-01-01$618.20$303.09RVU24A
2023-10-01$638.76$314.69RVU23D
2023-07-01$638.76$314.69RVU23C
2023-04-01$638.76$314.69RVU23B
2023-01-01$638.76$314.69RVU23A
2022-10-01$641.96$318.98RVU22D
2022-07-01$641.96$318.98RVU22C
2022-04-01$641.96$318.98RVU22B
2022-01-01$641.96$318.98RVU22A
2021-10-01$643.92$321.38RVU21D
2021-07-01$643.92$321.38RVU21C
2021-04-01$643.92$321.38RVU21B
2021-01-01$643.92$321.38RVU21A
2020-10-01$631.76$334.20RVU20D
2020-07-01$631.76$334.20RVU20C
2020-04-01$631.76$334.20RVU20B
2020-01-01$631.76$334.20RVU20A
2019-10-01$631.24$345.19RVU19D
2019-07-01$631.24$345.19RVU19C
2019-04-01$631.24$345.19RVU19B
2019-01-01$631.24$345.19RVU19A
2018-10-01$625.19$347.62RVU18D
2018-07-01$625.19$347.62RVU18C
2018-04-01$625.19$347.62RVU18B
2018-01-01$625.19$347.62RVU18AR1
2017-10-01$620.20$346.24RVU17D
2017-07-01$620.20$346.24RVU17C
2017-04-01$620.20$346.24RVU17B
2017-01-01$620.20$346.24RVU17A
2016-10-01$614.53$342.82RVU16D
2016-07-01$614.53$342.82RVU16C
2016-04-01$614.53$342.82RVU16B
2016-01-01$614.53$342.82RVU16A
2015-10-01$614.73$341.33RVU15D
2015-07-01$614.73$341.33RVU15C
2015-04-01$611.67$339.63RVU15B
2015-01-01$611.67$339.63RVU15A
2014-10-01$599.93$336.28RVU14D
2014-07-01$599.93$336.28RVU14C
2014-04-01$599.93$336.28RVU14B
2014-01-01$599.93$336.28RVU14A
2013-10-01$590.17$330.56RVU13D
2013-07-01$590.17$330.56RVU13C
2013-04-01$590.17$330.56RVU13B
2013-01-01$590.17$330.56RVU13AR

Price 17313 for an earlier date of service

Where the Virginia rate applies

Virginia is a Medicare payment area, not a city. Our Census mapping connects it to 628 cities and communities in Virginia. Some span more than one payment area; confirm with the service ZIP.

  • Abbs Valley
  • Abingdon
  • Accomac
  • Adwolf
  • Afton
  • Alberta
  • Aldie
  • Allison Gap

Browse all communities in Virginia

17313 billing questions

How is 17313 distinguished from 17311?

Choose 17313 for the first Mohs stage on the trunk, arms, or legs. Code 17311 is for the first stage at specified sites including the head, neck, hands, feet, or genitalia.

How many tissue blocks are included?

The first stage includes up to five tissue blocks. Report additional blocks with 17315, and document the block count.

How are later Mohs stages reported?

For a lesion on the trunk, arm, or leg, report additional stages with 17314. Document each stage and its tissue findings.

Can modifier 50 be used for bilateral lesions?

No. Modifier 50 is inappropriate for this service; the CMS bilateral adjustment does not apply.

Can an assistant or co-surgeon be reported?

Medicare does not pay an assistant at surgery for this service. Co-surgeons and team surgery are not permitted.

What same-day care is included?

The 0-day global period includes the related preoperative and postoperative care provided on the procedure date.

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 17313PPRRVU2026_Oct_nonQPP.csv, line 1,648 (RVU26D)
Geographic factors for VirginiaGPCI2026.csv, line 106 (RVU26D)

Open CMS sourceHow we calculate rates

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