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Procedure price report · Electroencephalogram (EEG)

Brain wave test (EEG) during sleep or coma only

CPT 95822the billing code this page is about

Recording of the brain's electrical activity through scalp electrodes while the patient is asleep or comatose, without an awake recording, including interpretation and report.

Hospitals typically charge $659 cash for this outpatient procedure — the median across 1,909 hospitals that filed a usable cash price; the average of the middle 60% is $724. Most fall between $311 and $1,312 (20th–80th percentile).

Hospitals
1,909
States
50
Filings dated
Mar 2023 – Sep 2026
Computed
September 25, 2026
Prices checked
through September 25, 2026

Median: half of hospitals filed less, half more — and it is a price some hospital actually filed. Average of the middle 60%: the mean of the prices between the 20th and 80th percentiles. We never publish the plain average, the lowest or the highest price: the extremes in hospital price files are chargemaster artefacts, not prices anyone pays.

What hospitals charge, from cheapest to most expensive

Cash price percentiles, outpatient, across 1,909 hospitals. Each figure is a price a hospital filed. 10th: one in ten hospitals charges less; 25th: a quarter charge less; Median: half charge less; 75th: three quarters charge less; 90th: nine in ten charge less.
10th25thMedian75th90th
$184$368$659$1,216$2,124

The most expensive tenth of hospitals charges at least 12× what the cheapest tenth charges ($184 vs $2,124).

How the prices are spread

$115 – $161: 50 hospitals$115$161 – $225: 99 hospitals$225 – $314: 145 hospitals$225$314 – $439: 218 hospitals$439 – $614: 265 hospitals$439$614 – $859: 288 hospitals$859 – $1,201: 256 hospitals$859$1,201 – $1,680: 249 hospitals$1,680 – $2,350: 79 hospitals$1,680$2,350 – $3,287: 71 hospitals$2,350median $659price bands are equal on a log scale
Hospitals per price band (1,720 of 1,909 — the bands cover the 5th to 95th percentile)
FromToHospitals
$115$16150
$161$22599
$225$314145
$314$439218
$439$614265
$614$859288
$859$1,201256
$1,201$1,680249
$1,680$2,35079
$2,350$3,28771

Against Medicare

Medicare pays (OPPS 2026, national rate)$221
Median cash price$659
Cash as a multiple of Medicare3.0×

The Medicare figure is the national unadjusted OPPS rate for this code — what Medicare itself pays a hospital before local wage adjustment. It is a benchmark, not a price anyone is charged.

By state

The median cash price in each state, against the national median of $659.

Alaska: 8 hospitals filed a usable price — fewer than 10, so no figureAKMaine: 9 hospitals filed a usable price — fewer than 10, so no figureMEVermont: 4 hospitals filed a usable price — fewer than 10, so no figureVTNew Hampshire: median $696 across 11 hospitalsNH$696Washington: median $662 across 42 hospitalsWA$662Idaho: median $1,200 across 13 hospitalsID$1,200Montana: 4 hospitals filed a usable price — fewer than 10, so no figureMTNorth Dakota: 7 hospitals filed a usable price — fewer than 10, so no figureNDMinnesota: median $363 across 38 hospitalsMN$363Illinois: median $795 across 70 hospitalsIL$795Wisconsin: median $591 across 67 hospitalsWI$591Michigan: median $681 across 74 hospitalsMI$681New York: median $545 across 56 hospitalsNY$545Massachusetts: median $675 across 29 hospitalsMA$675Oregon: median $926 across 30 hospitalsOR$926Nevada: median $581 across 11 hospitalsNV$581Wyoming: 3 hospitals filed a usable price — fewer than 10, so no figureWYSouth Dakota: 8 hospitals filed a usable price — fewer than 10, so no figureSDIowa: median $190 across 24 hospitalsIA$190Indiana: median $539 across 56 hospitalsIN$539Ohio: median $1,062 across 90 hospitalsOH$1,062Pennsylvania: median $548 across 92 hospitalsPA$548New Jersey: median $345 across 38 hospitalsNJ$345Connecticut: median $628 across 14 hospitalsCT$628Rhode Island: 4 hospitals filed a usable price — fewer than 10, so no figureRICalifornia: median $1,000 across 161 hospitalsCA$1,000Utah: median $486 across 30 hospitalsUT$486Colorado: median $1,467 across 36 hospitalsCO$1,467Nebraska: median $673 across 16 hospitalsNE$673Missouri: median $726 across 46 hospitalsMO$726Kentucky: median $627 across 32 hospitalsKY$627West Virginia: median $404 across 20 hospitalsWV$404Virginia: median $431 across 48 hospitalsVA$431Maryland: median $823 across 35 hospitalsMD$823Delaware: 2 hospitals filed a usable price — fewer than 10, so no figureDEArizona: median $610 across 37 hospitalsAZ$610New Mexico: median $763 across 15 hospitalsNM$763Kansas: median $401 across 18 hospitalsKS$401Arkansas: median $248 across 13 hospitalsAR$248Tennessee: median $282 across 50 hospitalsTN$282North Carolina: median $587 across 53 hospitalsNC$587South Carolina: median $582 across 41 hospitalsSC$582Oklahoma: median $439 across 29 hospitalsOK$439Louisiana: median $268 across 33 hospitalsLA$268Mississippi: median $240 across 32 hospitalsMS$240Alabama: median $629 across 26 hospitalsAL$629Georgia: median $654 across 64 hospitalsGA$654Hawaii: median $659 across 13 hospitalsHI$659Texas: median $1,219 across 145 hospitalsTX$1,219Florida: median $1,253 across 112 hospitalsFL$1,253
Cash price by state, most expensive first. National median $659. A state needs at least 10 hospitals with a usable price to show a figure.
StateHospitalsMedianvs national20th–80th
Colorado CO36$1,467+122%$889 – $3,451
Florida FL112$1,253+90%$643 – $3,213
Texas TX145$1,219+85%$366 – $2,572
Idaho ID13$1,200+82%$443 – $1,464
Ohio OH90$1,062+61%$465 – $1,397
California CA161$1,000+52%$499 – $1,630
Oregon OR30$926+40%$101 – $1,152
Maryland MD35$823+25%$542 – $1,535
Illinois IL70$795+21%$390 – $1,163
New Mexico NM15$763+16%$409 – $1,065
Missouri MO46$726+10%$261 – $1,064
New Hampshire NH11$696+6%$134 – $925
Michigan MI74$681+3%$173 – $983
Massachusetts MA29$675+2%$373 – $1,181
Nebraska NE16$673+2%$294 – $742
Washington WA42$6620%$477 – $1,012
Hawaii HI13$6590%$62 – $1,024
Georgia GA64$654−1%$284 – $1,216
Alabama AL26$629−5%$342 – $1,058
Connecticut CT14$628−5%$329 – $1,838
Kentucky KY32$627−5%$282 – $684
Arizona AZ37$610−7%$377 – $2,175
Wisconsin WI67$591−10%$183 – $1,081
North Carolina NC53$587−11%$398 – $1,257
South Carolina SC41$582−12%$558 – $864
Nevada NV11$581−12%$234 – $2,051
Pennsylvania PA92$548−17%$312 – $1,518
New York NY56$545−17%$287 – $998
Indiana IN56$539−18%$354 – $766
Utah UT30$486−26%$411 – $514
Oklahoma OK29$439−33%$245 – $827
Virginia VA48$431−35%$368 – $1,120
West Virginia WV20$404−39%$63 – $799
Kansas KS18$401−39%$176 – $1,558
Minnesota MN38$363−45%$182 – $601
New Jersey NJ38$345−48%$255 – $458
Tennessee TN50$282−57%$228 – $694
Louisiana LA33$268−59%$163 – $427
Arkansas AR13$248−62%$137 – $882
Mississippi MS32$240−64%$159 – $667
Iowa IA24$190−71%$130 – $617
Maine ME9not enough hospitals filed a usable price
Alaska AK8not enough hospitals filed a usable price
South Dakota SD8not enough hospitals filed a usable price
North Dakota ND7not enough hospitals filed a usable price
Montana MT4not enough hospitals filed a usable price
Rhode Island RI4not enough hospitals filed a usable price
Vermont VT4not enough hospitals filed a usable price
Wyoming WY3not enough hospitals filed a usable price
Delaware DE2not enough hospitals filed a usable price

Hospitals like yours

The same distribution cut by the kind of hospital. Hospital type and ownership come from CMS; a hospital counts as part of a system when its price file is shared with at least one other hospital under the same brand. The national median is $659.

Cash price by hospital segment. A segment needs at least 20 hospitals to show a figure.
SegmentHospitalsMedian20th–80th
Hospital type
Acute care1,657$664$325 – $1,319
Children’s39$1,134$536 – $1,977
Critical access205$553$180 – $1,023
Ownership
For-profit272$1,100$342 – $2,971
Government219$560$281 – $1,058
Non-profit1,410$654$307 – $1,253
System affiliation
Part of a system1,671$666$325 – $1,353
Independent238$560$239 – $1,132

Cash price vs list price

Median list price (chargemaster)$1,341
Median cash price$659
Cash as a share of list, median hospital60%

At the typical hospital, asking for the cash price cuts the list price by about 40%. The share is the median of each hospital’s own cash ÷ list ratio, over hospitals that filed both — not the ratio of the two medians above.

The same procedure, inpatient

1,422 hospitals filed a usable inpatient cash price for this code. The median is $742 and the average of the middle 60% is $781; most fall between $352 and $1,317.

Cash price percentiles, inpatient, across 1,422 hospitals. Each figure is a price a hospital filed. 10th: one in ten hospitals charges less; 25th: a quarter charge less; Median: half charge less; 75th: three quarters charge less; 90th: nine in ten charge less.
10th25thMedian75th90th
$215$416$742$1,236$2,058

The most expensive tenth of hospitals charges at least 9.6× what the cheapest tenth charges ($215 vs $2,058).

Of the 1,486 hospitals that filed this code inpatient, 1,422 gave a usable cash price; 19 carried a plausibility flag, 1 filed a number their own filing marks as not a price, 0 gave an estimate, and 44 a list price only.

How complete is this

1,909 of the 3,956 hospitals with a price file in our corpus (48%) filed a usable outpatient cash price for this code, and those are the hospitals every figure on this page is computed from.

What the 1,998 hospitals that filed this code at all gave us
Usable cash price — counted1,909
Cash price carrying a plausibility flag — shown on the compare tool, excluded here37
A number the filing itself marks as not a price (a placeholder, a ratio) — excluded1
An estimate rather than a filed cash price — excluded0
A list price only, no cash figure — excluded51
Hospitals that filed this code1,998

Sections not shown for this setting

  • Since our last snapshot: there is no earlier snapshot at least 90 days older than this one yet.

We last checked these hospitals’ price files for changes between September 4, 2026 and September 25, 2026; the figures were computed September 25, 2026 from filings loaded through September 25, 2026. The percentiles and averages use only the “counted” row.

Related procedures

Part of the Electroencephalogram (EEG) family.

Hospitals file this code under descriptions such as Electroencephalogram Rec Coma/Sleep Only.

Method

Source
The machine-readable price files every U.S. hospital is required by CMS to publish, parsed per hospital. Nothing is surveyed, sampled or modelled.
What counts
One cash (self-pay) price per hospital for this code and setting. A hospital’s own filing can rule its number out — a placeholder, a “not applicable” note, a list price standing in for cash — and our plausibility checks can flag a price far below what every other hospital files. Both kinds are disclosed above and excluded from the statistics; on the compare tool a flagged price is still shown.
Statistics
Percentiles are discrete: each is a price some hospital filed. The average is the mean of the prices between the 20th and 80th percentiles. We never publish the plain mean, the minimum or the maximum. A state needs 10 hospitals and a segment 20 to show a figure; otherwise the row shows its count and no number. Medicare is the national unadjusted OPPS rate where one exists.
Names
Procedure names on these pages are our own plain-language titles, not the AMA’s copyrighted CPT descriptors. The code is the identity.

The full rules — sources, statistics, thresholds, limitations — are on the methodology page.

Download this page’s figures: JSON · CSV. Aggregates only — the per-hospital prices are on the compare tool.

Cite: HospitalRates.com, “Brain wave test (EEG) during sleep or coma only (CPT 95822) — cash price report,” computed September 25, 2026. https://hospitalrates.com/procedures/cpt-95822-brain-wave-test-eeg-during-sleep-or-coma-only