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CPT code 95957: EEG analysis, digital analysis2026 Medicare rate & RVUs in Oklahoma

Report digital analysis of EEG data, such as analysis for epileptic spikes, as a distinct service alongside the underlying EEG recording when performed.

CMS RVU26DEffective Oct 1, 2026One payment locality28.4K Medicare services in 2024

In Oklahoma, Medicare pays $283.27 for 95957 in the office.

$283.27Office (non-facility)
Not available in this settingHospital or facility
−8.6%vs the national office rate ($309.96)

Check a contract rate as a % of Medicare · 95957 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 95957 for the payment locality that covers the ZIP.

On this page 11 sections
  1. Rate in Oklahoma
  2. What 95957 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 95957 covers

This service covers computer-based analysis of electroencephalographic data, including analysis directed at identifying epileptic spikes. It is used in neurologic evaluations, particularly when clinicians assess seizure activity from EEG recordings. A neurologist or other qualified professional interprets the analytic output; the technical work uses the equipment and staff needed to process the recorded data.

Report 95957 for the digital analysis itself, rather than for acquiring an EEG or merely reviewing its tracing visually. Documentation should identify the EEG data analyzed, the analysis performed, and the findings or clinical interpretation. Modifier 26 represents the professional interpretation, while modifier TC represents the technical service involving equipment and staff. Without either modifier, the claim represents the global service.

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 Oklahoma compares for 95957

Across 109 of 109 payment localities, the office rate for 95957 runs from $274.08 in Arkansas to $422.23 in San Benito County, CA. Oklahoma pays $283.27. The RVUs are the same everywhere; the geographic indexes change the dollars.

95957 in Oklahoma vs other payment areas
  1. Oklahoma · this page$283.27
  2. Los Angeles, CA · California$355.62+$72.35
  3. Washington, DC area · District of Columbia$356.90+$73.63
  4. Miami, FL · Florida$325.49+$42.22
  5. Chicago, IL · Illinois$316.38+$33.11
  6. Manhattan, NY · New York$355.41+$72.14
  7. Alaska · Alaska$356.26+$72.99

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

Every other payment area

95957 in every other Medicare payment locality
Payment localityOfficeFacility
AlabamaAlabama$278.14—
ArkansasArkansas$274.08—
ArizonaArizona$301.93—
Bakersfield, CACalifornia$332.96—
Chico, CACalifornia$332.57—
El Centro, CACalifornia$332.58—
Fresno, CACalifornia$332.57—
Hanford, CACalifornia$332.57—

95957 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.

$274.08

$377.40

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

View every state and territory as a table
95957 office rate range by state
State / territoryOffice rate rangeLocalities
AK$356.261
AL$278.141
AR$274.081
AZ$301.931
CA$332.57–$422.2329
CO$325.411
CT$330.641
DC$356.901
DE$307.011
FL$301.17–$325.493
GA$284.55–$314.762
GU$341.541
HI$341.541
IA$287.191
ID$288.681
IL$290.99–$319.784
IN$290.421
KS$284.921
KY$282.811
LA$282.00–$296.192
MA$323.06–$359.112
MD$313.21–$356.903
ME$289.23–$306.432
MI$289.40–$304.022
MN$314.391
MO$276.49–$298.363
MS$275.391
MT$309.951
NC$292.431
ND$307.781
NE$289.051
NH$319.421
NJ$335.14–$352.962
NM$290.631
NV$309.591
NY$296.78–$362.945
OH$288.951
OK$283.271
OR$307.90–$336.892
PA$289.93–$321.742
PR$312.571
RI$318.771
SC$291.031
SD$307.521
TN$286.251
TX$287.94–$323.708
UT$295.081
VA$304.77–$356.902
VI$312.571
VT$305.731
WA$322.74–$367.402
WI$297.261
WV$279.871
WY$309.011

See 95957 in every payment locality

How the 95957 rate is calculated

Each of 95957’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 · 95957

RVUs × geographic indexes × conversion factor

Office or facility?

Work1.93

1.93 RVUs× 1.000 GPCI

Practice expense7.24

7.24 RVUs× 1.000 GPCI

Malpractice0.11

0.11 RVUs× 1.000 GPCI

Adjusted RVUs

9.2800

Conversion factor

$33.4009

Medicare rate

$309.96

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

The exact Oklahoma inputs and CMS source lines

PPRRVU2026_Oct_nonQPP.csv

12,704

Code
95957
Physician work
1.93
Practice expense
7.24
Malpractice
0.11

GPCI2026.csv

86

Locality
Oklahoma
Physician work
1.000
Practice expense
0.893
Malpractice
0.777
Office calculation for 95957 in Oklahoma
ComponentRVULocality factorAdjusted
Physician work1.93× 1.0001.9300
Practice expense7.24× 0.8936.4653
Malpractice0.11× 0.7770.0855
Total RVUs8.4808
Conversion factor× 33.4009

Office rate, Oklahoma$283.27

Office: (1.93 × 1 + 7.24 × 0.893 + 0.11 × 0.777) × $33.4009 = $283.27

Open 95957 in the RVU calculator

Payment rules and modifiers for 95957

The CMS indicators that decide how 95957 is paid alongside other services.

CMS payment indicators · 95957

EEG analysis, digital analysis

RuleCMS valueWhat it means
Global periodXXXThe global surgery concept doesn’t apply.
Multiple procedures0No multiple-procedure reduction.
Bilateral (modifier 50)0The 150% bilateral adjustment doesn’t apply.
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

95957 without 26 · national office

$309.96

EEG analysis, digital analysis

95957-26 · Professional component

$101.54

Pays only the interpretation and report.

When to use modifier 26

Codes related to 95957

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

Codes related to 95957
CodeHow it relatesOffice range, Oklahoma
Often billed with
95816EEG, awake and drowsyAwake and drowsy EEG recording that may provide data for digital analysis.$372.62
95819EEG, awake and asleep recordingAwake and asleep EEG recording that may provide data for digital analysis.$434.03
95813EEG recording, 61–119 minutesExtended EEG recording that may provide data for digital analysis.$433.68

How 95957 has changed in Oklahoma

95957 · Office / nonfacility

$283.27

Effective 2026-10-01

The base rate is $25.54 higher than on 2025-10-01, moving from $257.73 to $283.27 (9.9%).

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

    $257.73changed to$283.27

    • Conversion factor 32.3465 changed to 33.4009
    • Work RVU 1.98 changed to 1.93
    • Practice expense RVU 6.62 changed to 7.24
    • Practice expense GPCI 0.891 changed to 0.893
    • Malpractice GPCI 0.813 changed to 0.777

    Held through RVU26B, RVU26C, RVU26D.

  2. January 1, 2025

    RVU25A

    $267.87changed to$257.73

    • Conversion factor 33.2875 changed to 32.3465
    • Practice expense RVU 6.70 changed to 6.62
    • Malpractice RVU 0.12 changed to 0.11

    Held through RVU25B, RVU25C, RVU25D.

  3. March 9, 2024

    RVU24AR

    $263.50changed to$267.87

    • Conversion factor 32.7442 changed to 33.2875

    Held through RVU24B, RVU24C, RVU24D.

  4. January 1, 2024

    RVU24A

    $254.09changed to$263.50

    • Conversion factor 33.8872 changed to 32.7442
    • Practice expense RVU 6.12 changed to 6.70
    • Practice expense GPCI 0.886 changed to 0.891
    • Malpractice GPCI 0.798 changed to 0.813

  5. January 1, 2023

    RVU23A

    $243.08changed to$254.09

    • Conversion factor 34.6062 changed to 33.8872
    • Practice expense RVU 5.61 changed to 6.12
    • Malpractice RVU 0.13 changed to 0.12
    • Practice expense GPCI 0.881 changed to 0.886
    • Malpractice GPCI 0.782 changed to 0.798

    Held through RVU23B, RVU23C, RVU23D.

  6. January 1, 2022

    RVU22A

    $235.25changed to$243.08

    • Conversion factor 34.8931 changed to 34.6062
    • Practice expense RVU 5.29 changed to 5.61

    Held through RVU22B, RVU22C, RVU22D.

  7. January 1, 2021

    RVU21A

    $239.57changed to$235.25

    • Conversion factor 36.0896 changed to 34.8931
    • Practice expense RVU 5.14 changed to 5.29
    • Malpractice RVU 0.12 changed to 0.13
    • Practice expense GPCI 0.886 changed to 0.881
    • Malpractice GPCI 0.868 changed to 0.782

    Held through RVU21B, RVU21C, RVU21D.

  8. January 1, 2020

    RVU20A

    $252.76changed to$239.57

    • Conversion factor 36.0391 changed to 36.0896
    • Practice expense RVU 5.51 changed to 5.14
    • Malpractice RVU 0.13 changed to 0.12
    • Practice expense GPCI 0.891 changed to 0.886
    • Malpractice GPCI 0.954 changed to 0.868

    Held through RVU20B, RVU20C, RVU20D.

  9. January 1, 2019

    RVU19A

    $270.14changed to$252.76

    • Conversion factor 35.9996 changed to 36.0391
    • Practice expense RVU 6.05 changed to 5.51
    • Malpractice RVU 0.14 changed to 0.13

    Held through RVU19B, RVU19C, RVU19D.

  10. January 1, 2018

    RVU18AR1

    $281.96changed to$270.14

    • Conversion factor 35.8887 changed to 35.9996
    • Practice expense RVU 6.52 changed to 6.05
    • Practice expense GPCI 0.882 changed to 0.891
    • Malpractice GPCI 0.900 changed to 0.954

    Held through RVU18B, RVU18C, RVU18D.

  11. January 1, 2017

    RVU17A

    $287.13changed to$281.96

    • Conversion factor 35.8043 changed to 35.8887
    • Practice expense RVU 6.80 changed to 6.52
    • Malpractice RVU 0.13 changed to 0.14
    • Practice expense GPCI 0.872 changed to 0.882
    • Malpractice GPCI 0.845 changed to 0.900

    Held through RVU17B, RVU17C, RVU17D.

  12. January 1, 2016

    RVU16A

    $288.48changed to$287.13

    • Conversion factor 35.9335 changed to 35.8043
    • Practice expense RVU 6.81 changed to 6.80

    Held through RVU16B, RVU16C, RVU16D.

  13. July 1, 2015

    RVU15C

    $287.04changed to$288.48

    • Conversion factor 35.7547 changed to 35.9335

    Held through RVU15D.

  14. January 1, 2015

    RVU15A

    $391.91changed to$287.04

    • Conversion factor 35.8228 changed to 35.7547
    • Practice expense RVU 10.27 changed to 6.81
    • Malpractice RVU 0.11 changed to 0.13
    • Practice expense GPCI 0.864 changed to 0.872
    • Malpractice GPCI 0.790 changed to 0.845

    Held through RVU15B.

  15. January 1, 2014

    RVU14A

    $407.95changed to$391.91

    • Conversion factor 34.0230 changed to 35.8228
    • Practice expense RVU 11.60 changed to 10.27
    • Practice expense GPCI 0.856 changed to 0.864
    • Malpractice GPCI 0.734 changed to 0.790

    Held through RVU14B, RVU14C, RVU14D.

  16. January 1, 2013

    RVU13AR

    Earliest loaded release: $407.95

    Held through RVU13B, RVU13C, RVU13D.

Rates in every CMS release
Effective fromOfficeFacilityCMS release
2026-10-01$283.27Not available in this settingRVU26D
2026-07-01$283.27Not available in this settingRVU26C
2026-04-01$283.27Not available in this settingRVU26B
2026-01-01$283.27Not available in this settingRVU26A
2025-10-01$257.73Not available in this settingRVU25D
2025-07-01$257.73Not available in this settingRVU25C
2025-04-01$257.73Not available in this settingRVU25B
2025-01-01$257.73Not available in this settingRVU25A
2024-10-01$267.87Not available in this settingRVU24D
2024-07-01$267.87Not available in this settingRVU24C
2024-04-01$267.87Not available in this settingRVU24B
2024-03-09$267.87Not available in this settingRVU24AR
2024-01-01$263.50Not available in this settingRVU24A
2023-10-01$254.09Not available in this settingRVU23D
2023-07-01$254.09Not available in this settingRVU23C
2023-04-01$254.09Not available in this settingRVU23B
2023-01-01$254.09Not available in this settingRVU23A
2022-10-01$243.08Not available in this settingRVU22D
2022-07-01$243.08Not available in this settingRVU22C
2022-04-01$243.08Not available in this settingRVU22B
2022-01-01$243.08Not available in this settingRVU22A
2021-10-01$235.25Not available in this settingRVU21D
2021-07-01$235.25Not available in this settingRVU21C
2021-04-01$235.25Not available in this settingRVU21B
2021-01-01$235.25Not available in this settingRVU21A
2020-10-01$239.57Not available in this settingRVU20D
2020-07-01$239.57Not available in this settingRVU20C
2020-04-01$239.57Not available in this settingRVU20B
2020-01-01$239.57Not available in this settingRVU20A
2019-10-01$252.76Not available in this settingRVU19D
2019-07-01$252.76Not available in this settingRVU19C
2019-04-01$252.76Not available in this settingRVU19B
2019-01-01$252.76Not available in this settingRVU19A
2018-10-01$270.14Not available in this settingRVU18D
2018-07-01$270.14Not available in this settingRVU18C
2018-04-01$270.14Not available in this settingRVU18B
2018-01-01$270.14Not available in this settingRVU18AR1
2017-10-01$281.96Not available in this settingRVU17D
2017-07-01$281.96Not available in this settingRVU17C
2017-04-01$281.96Not available in this settingRVU17B
2017-01-01$281.96Not available in this settingRVU17A
2016-10-01$287.13Not available in this settingRVU16D
2016-07-01$287.13Not available in this settingRVU16C
2016-04-01$287.13Not available in this settingRVU16B
2016-01-01$287.13Not available in this settingRVU16A
2015-10-01$288.48Not available in this settingRVU15D
2015-07-01$288.48Not available in this settingRVU15C
2015-04-01$287.04Not available in this settingRVU15B
2015-01-01$287.04Not available in this settingRVU15A
2014-10-01$391.91Not available in this settingRVU14D
2014-07-01$391.91Not available in this settingRVU14C
2014-04-01$391.91Not available in this settingRVU14B
2014-01-01$391.91Not available in this settingRVU14A
2013-10-01$407.95Not available in this settingRVU13D
2013-07-01$407.95Not available in this settingRVU13C
2013-04-01$407.95Not available in this settingRVU13B
2013-01-01$407.95Not available in this settingRVU13AR

Price 95957 for an earlier date of service

Where the Oklahoma rate applies

Oklahoma is a Medicare payment area, not a city. Our Census mapping connects it to 846 cities and communities in Oklahoma. Some span more than one payment area; confirm with the service ZIP.

  • Lahoma
  • Achille
  • Ada
  • Adair
  • Adams
  • Adamson
  • Addington
  • Afton

Browse all communities in Oklahoma

95957 billing questions

How is 95957 different from a routine EEG code?

Routine EEG codes describe recording the brain's electrical activity. 95957 describes digital analysis of EEG data, such as analysis for epileptic spikes.

Can 95957 be reported with the EEG recording?

The EEG recording and digital analysis describe distinct work and may be reported for the same study when both services were performed and documented.

When should modifier 26 or TC be used?

Use modifier 26 for the professional interpretation and modifier TC for the technical service involving equipment and staff. Without either modifier, the claim represents the global service.

What documentation supports the digital analysis?

Record which EEG data were analyzed, the digital analysis performed, and the resulting findings or interpretation. The record should make clear that the service involved analysis, not just EEG acquisition.

Is 95957 the code for EEG monitoring during surgery?

No. 95957 describes digital EEG analysis; 95955 describes EEG monitoring during surgery.

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 95957PPRRVU2026_Oct_nonQPP.csv, line 12,704 (RVU26D)
Geographic factors for OklahomaGPCI2026.csv, line 86 (RVU26D)

Open CMS sourceHow we calculate rates

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