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CPT code 95928: Motor evoked potentials, upper limbs2026 Medicare rate & RVUs in Mississippi

Reports central motor pathway testing that records evoked responses from upper-limb muscles, including during procedures that place motor pathways at risk.

CMS RVU26DEffective Oct 1, 2026One payment locality362 Medicare services in 2024

In Mississippi, Medicare pays $226.99 for 95928 in the office.

$226.99Office (non-facility)
Not available in this settingHospital or facility
−11.4%vs the national office rate ($256.18)

Check a contract rate as a % of Medicare · 95928 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 95928 for the payment locality that covers the ZIP.

On this page 11 sections
  1. Rate in Mississippi
  2. What 95928 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 95928 covers

This study evaluates motor pathway conduction from the brain to upper-limb muscles by stimulating the motor system and recording the resulting responses. It is commonly used during procedures such as cervical spine surgery when the team needs to monitor motor pathway function. A neurophysiology professional interprets the responses, while trained technical staff may perform the acquisition in an operating room or diagnostic setting.

Select 95928 for upper-limb motor evoked potential testing; use the code for the bilateral service rather than adding modifier 50 to increase payment. Documentation should identify the tested limbs, stimulation and recording performed, results, and the interpretation. Medicare recognizes professional and technical components: modifier 26 reports interpretation, modifier TC reports equipment and staff, and no component modifier represents the global service. The components are separately priced.

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 Mississippi compares for 95928

Across 109 of 109 payment localities, the office rate for 95928 runs from $225.90 in Arkansas to $350.51 in San Benito County, CA. Mississippi pays $226.99. The RVUs are the same everywhere; the geographic indexes change the dollars.

95928 in Mississippi vs other payment areas
  1. Mississippi · this page$226.99
  2. Los Angeles, CA · California$294.58+$67.59
  3. Washington, DC area · District of Columbia$295.54+$68.55
  4. Miami, FL · Florida$269.16+$42.17
  5. Chicago, IL · Illinois$261.44+$34.45
  6. Manhattan, NY · New York$294.18+$67.19
  7. Alaska · Alaska$292.50+$65.51

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

Every other payment area

95928 in every other Medicare payment locality
Payment localityOfficeFacility
AlabamaAlabama$229.33—
ArkansasArkansas$225.90—
ArizonaArizona$249.42—
Bakersfield, CACalifornia$275.56—
Chico, CACalifornia$275.24—
El Centro, CACalifornia$275.26—
Fresno, CACalifornia$275.24—
Hanford, CACalifornia$275.24—

95928 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.

$225.90

$312.88

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

View every state and territory as a table
95928 office rate range by state
State / territoryOffice rate rangeLocalities
AK$292.501
AL$229.331
AR$225.901
AZ$249.421
CA$275.24–$350.5129
CO$269.191
CT$273.531
DC$295.541
DE$253.671
FL$248.70–$269.163
GA$234.69–$260.212
GU$282.921
HI$282.921
IA$237.001
ID$238.251
IL$240.09–$264.374
IN$239.721
KS$235.071
KY$233.241
LA$232.55–$244.532
MA$267.19–$297.512
MD$258.88–$295.543
ME$238.70–$253.242
MI$238.79–$251.092
MN$260.001
MO$227.90–$246.383
MS$226.991
MT$256.181
NC$241.401
ND$254.401
NE$238.581
NH$264.191
NJ$277.23–$292.172
NM$239.821
NV$255.891
NY$245.07–$300.525
OH$238.421
OK$233.641
OR$254.47–$278.892
PA$239.26–$266.022
PR$258.391
RI$263.531
SC$240.201
SD$254.191
TN$236.191
TX$237.57–$267.808
UT$243.611
VA$251.83–$295.542
VI$258.391
VT$252.661
WA$266.93–$304.472
WI$245.521
WV$230.701
WY$255.401

See 95928 in every payment locality

How the 95928 rate is calculated

Each of 95928’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 · 95928

RVUs × geographic indexes × conversion factor

Office or facility?

Work1.46

1.46 RVUs× 1.000 GPCI

Practice expense6.12

6.12 RVUs× 1.000 GPCI

Malpractice0.09

0.09 RVUs× 1.000 GPCI

Adjusted RVUs

7.6700

Conversion factor

$33.4009

Medicare rate

$256.18

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

The exact Mississippi inputs and CMS source lines

PPRRVU2026_Oct_nonQPP.csv

12,675

Code
95928
Physician work
1.46
Practice expense
6.12
Malpractice
0.09

GPCI2026.csv

67

Locality
Mississippi
Physician work
1.000
Practice expense
0.861
Malpractice
0.739
Office calculation for 95928 in Mississippi
ComponentRVULocality factorAdjusted
Physician work1.46× 1.0001.4600
Practice expense6.12× 0.8615.2693
Malpractice0.09× 0.7390.0665
Total RVUs6.7958
Conversion factor× 33.4009

Office rate, Mississippi$226.99

Office: (1.46 × 1 + 6.12 × 0.861 + 0.09 × 0.739) × $33.4009 = $226.99

Open 95928 in the RVU calculator

Payment rules and modifiers for 95928

The CMS indicators that decide how 95928 is paid alongside other services.

CMS payment indicators · 95928

Motor evoked potentials, upper limbs

RuleCMS valueWhat it means
Global periodXXXThe global surgery concept doesn’t apply.
Multiple procedures0No multiple-procedure reduction.
Bilateral (modifier 50)2Already bilateral by definition: paid once at 100%.
Assistant at surgery (80/81/82/AS)0Not paid without supporting documentation.
Co-surgeons (62)0Not permitted.
Team surgery (66)0Not permitted.
Professional/technical1Diagnostic test with separate professional (26) and technical (TC) components.

What modifiers do to the payment

Modifier 26 · payment effect

With and without the modifier

95928 without 26 · national office

$256.18

Motor evoked potentials, upper limbs

95928-26 · Professional component

$79.16

Pays only the interpretation and report.

When to use modifier 26

Codes related to 95928

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

Codes related to 95928
CodeHow it relatesOffice range, Mississippi
Same family
95929Motor evoked study, lower limbsLower-limb counterpart for central motor evoked potential testing.$221.81
95939Motor evoked potentials, upper and lower limbsCentral motor evoked potential testing covering upper and lower limbs.$516.85
Often billed with
95938Sensory evoked potentials, upper and lower limbsSomatosensory testing of upper and lower limbs may accompany a distinct motor study.$348.06
95940Intraoperative monitoring, one-on-one, in operating roomIn-person intraoperative neurophysiologic monitoring time may accompany testing during surgery.No office rate
95941Remote IONM, hourly or multiple-patientRemote or multiple-patient intraoperative monitoring may accompany testing during surgery.No office rate

How 95928 has changed in Mississippi

95928 · Office / nonfacility

$226.99

Effective 2026-10-01

The base rate is $24.91 higher than on 2025-10-01, moving from $202.08 to $226.99 (12.3%).

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

    $202.08changed to$226.99

    • Conversion factor 32.3465 changed to 33.4009
    • Work RVU 1.50 changed to 1.46
    • Practice expense RVU 5.50 changed to 6.12
    • Malpractice RVU 0.08 changed to 0.09
    • Practice expense GPCI 0.852 changed to 0.861
    • Malpractice GPCI 0.768 changed to 0.739

    Held through RVU26B, RVU26C, RVU26D.

  2. January 1, 2025

    RVU25A

    $211.90changed to$202.08

    • Conversion factor 33.2875 changed to 32.3465
    • Practice expense RVU 5.63 changed to 5.50
    • Malpractice RVU 0.09 changed to 0.08

    Held through RVU25B, RVU25C, RVU25D.

  3. March 9, 2024

    RVU24AR

    $208.45changed to$211.90

    • Conversion factor 32.7442 changed to 33.2875

    Held through RVU24B, RVU24C, RVU24D.

  4. January 1, 2024

    RVU24A

    $209.46changed to$208.45

    • Conversion factor 33.8872 changed to 32.7442
    • Practice expense RVU 5.45 changed to 5.63
    • Practice expense GPCI 0.847 changed to 0.852
    • Malpractice GPCI 0.720 changed to 0.768

  5. January 1, 2023

    RVU23A

    $213.04changed to$209.46

    • Conversion factor 34.6062 changed to 33.8872
    • Malpractice RVU 0.10 changed to 0.09
    • Practice expense GPCI 0.842 changed to 0.847
    • Malpractice GPCI 0.671 changed to 0.720

    Held through RVU23B, RVU23C, RVU23D.

  6. January 1, 2022

    RVU22A

    $212.34changed to$213.04

    • Conversion factor 34.8931 changed to 34.6062
    • Practice expense RVU 5.39 changed to 5.45
    • Malpractice RVU 0.07 changed to 0.10

    Held through RVU22B, RVU22C, RVU22D.

  7. January 1, 2021

    RVU21A

    $204.04changed to$212.34

    • Conversion factor 36.0896 changed to 34.8931
    • Practice expense RVU 4.81 changed to 5.39
    • Practice expense GPCI 0.856 changed to 0.842
    • Malpractice GPCI 0.521 changed to 0.671

    Held through RVU21B, RVU21C, RVU21D.

  8. January 1, 2020

    RVU20A

    $199.98changed to$204.04

    • Conversion factor 36.0391 changed to 36.0896
    • Practice expense RVU 4.62 changed to 4.81
    • Malpractice RVU 0.08 changed to 0.07
    • Practice expense GPCI 0.870 changed to 0.856
    • Malpractice GPCI 0.370 changed to 0.521

    Held through RVU20B, RVU20C, RVU20D.

  9. January 1, 2019

    RVU19A

    $194.88changed to$199.98

    • Conversion factor 35.9996 changed to 36.0391
    • Practice expense RVU 4.46 changed to 4.62
    • Malpractice RVU 0.09 changed to 0.08

    Held through RVU19B, RVU19C, RVU19D.

  10. January 1, 2018

    RVU18AR1

    $193.89changed to$194.88

    • Conversion factor 35.8887 changed to 35.9996
    • Practice expense RVU 4.45 changed to 4.46
    • Practice expense GPCI 0.867 changed to 0.870
    • Malpractice GPCI 0.492 changed to 0.370

    Held through RVU18B, RVU18C, RVU18D.

  11. January 1, 2017

    RVU17A

    $202.93changed to$193.89

    • Conversion factor 35.8043 changed to 35.8887
    • Practice expense RVU 4.76 changed to 4.45
    • Practice expense GPCI 0.864 changed to 0.867
    • Malpractice GPCI 0.613 changed to 0.492

    Held through RVU17B, RVU17C, RVU17D.

  12. January 1, 2016

    RVU16A

    $233.16changed to$202.93

    • Conversion factor 35.9335 changed to 35.8043
    • Practice expense RVU 5.71 changed to 4.76

    Held through RVU16B, RVU16C, RVU16D.

  13. July 1, 2015

    RVU15C

    $232.00changed to$233.16

    • Conversion factor 35.7547 changed to 35.9335

    Held through RVU15D.

  14. January 1, 2015

    RVU15A

    $226.31changed to$232.00

    • Conversion factor 35.8228 changed to 35.7547
    • Practice expense RVU 5.49 changed to 5.71
    • Malpractice RVU 0.10 changed to 0.09
    • Practice expense GPCI 0.865 changed to 0.864
    • Malpractice GPCI 0.687 changed to 0.613

    Held through RVU15B.

  15. January 1, 2014

    RVU14A

    $263.11changed to$226.31

    • Conversion factor 34.0230 changed to 35.8228
    • Practice expense RVU 7.11 changed to 5.49
    • Practice expense GPCI 0.866 changed to 0.865
    • Malpractice GPCI 0.761 changed to 0.687

    Held through RVU14B, RVU14C, RVU14D.

  16. January 1, 2013

    RVU13AR

    Earliest loaded release: $263.11

    Held through RVU13B, RVU13C, RVU13D.

Rates in every CMS release
Effective fromOfficeFacilityCMS release
2026-10-01$226.99Not available in this settingRVU26D
2026-07-01$226.99Not available in this settingRVU26C
2026-04-01$226.99Not available in this settingRVU26B
2026-01-01$226.99Not available in this settingRVU26A
2025-10-01$202.08Not available in this settingRVU25D
2025-07-01$202.08Not available in this settingRVU25C
2025-04-01$202.08Not available in this settingRVU25B
2025-01-01$202.08Not available in this settingRVU25A
2024-10-01$211.90Not available in this settingRVU24D
2024-07-01$211.90Not available in this settingRVU24C
2024-04-01$211.90Not available in this settingRVU24B
2024-03-09$211.90Not available in this settingRVU24AR
2024-01-01$208.45Not available in this settingRVU24A
2023-10-01$209.46Not available in this settingRVU23D
2023-07-01$209.46Not available in this settingRVU23C
2023-04-01$209.46Not available in this settingRVU23B
2023-01-01$209.46Not available in this settingRVU23A
2022-10-01$213.04Not available in this settingRVU22D
2022-07-01$213.04Not available in this settingRVU22C
2022-04-01$213.04Not available in this settingRVU22B
2022-01-01$213.04Not available in this settingRVU22A
2021-10-01$212.34Not available in this settingRVU21D
2021-07-01$212.34Not available in this settingRVU21C
2021-04-01$212.34Not available in this settingRVU21B
2021-01-01$212.34Not available in this settingRVU21A
2020-10-01$204.04Not available in this settingRVU20D
2020-07-01$204.04Not available in this settingRVU20C
2020-04-01$204.04Not available in this settingRVU20B
2020-01-01$204.04Not available in this settingRVU20A
2019-10-01$199.98Not available in this settingRVU19D
2019-07-01$199.98Not available in this settingRVU19C
2019-04-01$199.98Not available in this settingRVU19B
2019-01-01$199.98Not available in this settingRVU19A
2018-10-01$194.88Not available in this settingRVU18D
2018-07-01$194.88Not available in this settingRVU18C
2018-04-01$194.88Not available in this settingRVU18B
2018-01-01$194.88Not available in this settingRVU18AR1
2017-10-01$193.89Not available in this settingRVU17D
2017-07-01$193.89Not available in this settingRVU17C
2017-04-01$193.89Not available in this settingRVU17B
2017-01-01$193.89Not available in this settingRVU17A
2016-10-01$202.93Not available in this settingRVU16D
2016-07-01$202.93Not available in this settingRVU16C
2016-04-01$202.93Not available in this settingRVU16B
2016-01-01$202.93Not available in this settingRVU16A
2015-10-01$233.16Not available in this settingRVU15D
2015-07-01$233.16Not available in this settingRVU15C
2015-04-01$232.00Not available in this settingRVU15B
2015-01-01$232.00Not available in this settingRVU15A
2014-10-01$226.31Not available in this settingRVU14D
2014-07-01$226.31Not available in this settingRVU14C
2014-04-01$226.31Not available in this settingRVU14B
2014-01-01$226.31Not available in this settingRVU14A
2013-10-01$263.11Not available in this settingRVU13D
2013-07-01$263.11Not available in this settingRVU13C
2013-04-01$263.11Not available in this settingRVU13B
2013-01-01$263.11Not available in this settingRVU13AR

Price 95928 for an earlier date of service

Where the Mississippi rate applies

Mississippi is a Medicare payment area, not a city. Our Census mapping connects it to 427 cities and communities in Mississippi. Some span more than one payment area; confirm with the service ZIP.

  • Abbeville
  • Aberdeen
  • Ackerman
  • Agricola
  • Alcorn State University
  • Algoma
  • Alligator
  • Amory

Browse all communities in Mississippi

95928 billing questions

When should 95928 be selected instead of 95929?

Use 95928 for central motor evoked potential testing of the upper limbs. Code 95929 is the lower-limb counterpart.

Does 95928 include testing on both sides?

Yes. CMS prices the code as bilateral, and modifier 50 does not increase payment.

How should the professional and technical work be billed?

Use modifier 26 for the professional interpretation or TC for the technical service. Without either modifier, the claim represents the global service.

Can 95928 be reported with somatosensory evoked potential testing?

The motor study evaluates motor pathway responses, while somatosensory testing evaluates sensory pathways. Report somatosensory testing only when that distinct study was also performed and documented.

What documentation supports 95928?

Document the upper-limb testing performed, the responses obtained, and the interpretation. For a component claim, the record should support the professional interpretation or the technical work reported.

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 95928PPRRVU2026_Oct_nonQPP.csv, line 12,675 (RVU26D)
Geographic factors for MississippiGPCI2026.csv, line 67 (RVU26D)

Open CMS sourceHow we calculate rates

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