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Procedure price report · Other OR therapeutic procedures on nose, mouth and pharynx

Endoscopic surgery to open the maxillary sinus

CPT 31256the billing code this page is about

Endoscopic surgery through the nose that creates an opening into the cheek (maxillary) sinus on one side to improve drainage.

Hospitals typically charge $2,358 cash for this outpatient procedure — the median across 744 hospitals that filed a usable cash price; the average of the middle 60% is $2,801. Most fall between $424 and $7,132 (20th–80th percentile).

Hospitals
744
States
50
Filings dated
Mar 2023 – Sep 2026
Computed
September 25, 2026
Prices checked
through September 24, 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 744 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
$307$468$2,358$6,305$14,847

The most expensive tenth of hospitals charges at least 48× what the cheapest tenth charges ($307 vs $14,847).

How the prices are spread

$231 – $366: 83 hospitals$231$366 – $579: 97 hospitals$579 – $916: 38 hospitals$579$916 – $1,450: 54 hospitals$1,450 – $2,294: 59 hospitals$1,450$2,294 – $3,629: 66 hospitals$3,629 – $5,742: 113 hospitals$3,629$5,742 – $9,086: 76 hospitals$9,086 – $14,376: 44 hospitals$9,086$14,376 – $22,746: 40 hospitals$14,376median $2,358price bands are equal on a log scale
Hospitals per price band (670 of 744 — the bands cover the 5th to 95th percentile)
FromToHospitals
$231$36683
$366$57997
$579$91638
$916$1,45054
$1,450$2,29459
$2,294$3,62966
$3,629$5,742113
$5,742$9,08676
$9,086$14,37644
$14,376$22,74640

Against Medicare

Medicare pays (OPPS 2026, national rate)$3,809
Median cash price$2,358
Cash as a multiple of Medicare0.62×

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 $2,358.

Alaska: 2 hospitals filed a usable price — fewer than 10, so no figureAKMaine: 4 hospitals filed a usable price — fewer than 10, so no figureMEVermont: 8 hospitals filed a usable price — fewer than 10, so no figureVTNew Hampshire: 6 hospitals filed a usable price — fewer than 10, so no figureNHWashington: 9 hospitals filed a usable price — fewer than 10, so no figureWAIdaho: median $9,904 across 11 hospitalsID$9,904Montana: 3 hospitals filed a usable price — fewer than 10, so no figureMTNorth Dakota: 2 hospitals filed a usable price — fewer than 10, so no figureNDMinnesota: median $1,250 across 30 hospitalsMN$1,250Illinois: median $506 across 23 hospitalsIL$506Wisconsin: median $1,043 across 46 hospitalsWI$1,043Michigan: median $446 across 37 hospitalsMI$446New York: median $4,363 across 57 hospitalsNY$4,363Massachusetts: median $11,448 across 17 hospitalsMA$11,448Oregon: median $338 across 19 hospitalsOR$338Nevada: 8 hospitals filed a usable price — fewer than 10, so no figureNVWyoming: 5 hospitals filed a usable price — fewer than 10, so no figureWYSouth Dakota: 6 hospitals filed a usable price — fewer than 10, so no figureSDIowa: median $449 across 29 hospitalsIA$449Indiana: median $1,134 across 16 hospitalsIN$1,134Ohio: median $5,279 across 35 hospitalsOH$5,279Pennsylvania: median $2,022 across 30 hospitalsPA$2,022New Jersey: median $4,627 across 34 hospitalsNJ$4,627Connecticut: 3 hospitals filed a usable price — fewer than 10, so no figureCTRhode Island: 2 hospitals filed a usable price — fewer than 10, so no figureRICalifornia: median $4,536 across 59 hospitalsCA$4,536Utah: 4 hospitals filed a usable price — fewer than 10, so no figureUTColorado: 6 hospitals filed a usable price — fewer than 10, so no figureCONebraska: median $446 across 11 hospitalsNE$446Missouri: median $1,548 across 18 hospitalsMO$1,548Kentucky: 8 hospitals filed a usable price — fewer than 10, so no figureKYWest Virginia: median $1,146 across 14 hospitalsWV$1,146Virginia: 7 hospitals filed a usable price — fewer than 10, so no figureVAMaryland: 1 hospital filed a usable price — fewer than 10, so no figureMDDelaware: 2 hospitals filed a usable price — fewer than 10, so no figureDEArizona: 6 hospitals filed a usable price — fewer than 10, so no figureAZNew Mexico: 6 hospitals filed a usable price — fewer than 10, so no figureNMKansas: 7 hospitals filed a usable price — fewer than 10, so no figureKSArkansas: median $1,634 across 12 hospitalsAR$1,634Tennessee: median $347 across 10 hospitalsTN$347North Carolina: 8 hospitals filed a usable price — fewer than 10, so no figureNCSouth Carolina: 6 hospitals filed a usable price — fewer than 10, so no figureSCOklahoma: median $380 across 14 hospitalsOK$380Louisiana: median $2,494 across 15 hospitalsLA$2,494Mississippi: median $1,175 across 12 hospitalsMS$1,175Alabama: median $2,856 across 10 hospitalsAL$2,856Georgia: median $6,698 across 14 hospitalsGA$6,698Hawaii: 5 hospitals filed a usable price — fewer than 10, so no figureHITexas: median $3,430 across 35 hospitalsTX$3,430Florida: median $9,959 across 12 hospitalsFL$9,959
Cash price by state, most expensive first. National median $2,358. A state needs at least 10 hospitals with a usable price to show a figure.
StateHospitalsMedianvs national20th–80th
Massachusetts MA17$11,448+385%$5,618 – $11,448
Florida FL12$9,959+322%$889 – $13,544
Idaho ID11$9,904+320%$3,102 – $9,904
Georgia GA14$6,698+184%$1,061 – $6,698
Ohio OH35$5,279+124%$658 – $21,988
New Jersey NJ34$4,627+96%$4,081 – $9,237
California CA59$4,536+92%$1,521 – $6,658
New York NY57$4,363+85%$859 – $4,595
Texas TX35$3,430+45%$2,932 – $9,541
Alabama AL10$2,856+21%$860 – $16,297
Louisiana LA15$2,494+6%$1,850 – $6,305
Pennsylvania PA30$2,022−14%$117 – $6,947
Arkansas AR12$1,634−31%$681 – $7,709
Missouri MO18$1,548−34%$317 – $12,855
Minnesota MN30$1,250−47%$344 – $1,642
Mississippi MS12$1,175−50%$1,073 – $12,440
West Virginia WV14$1,146−51%$542 – $4,636
Indiana IN16$1,134−52%$468 – $11,989
Wisconsin WI46$1,043−56%$346 – $2,563
Illinois IL23$506−79%$360 – $4,890
Iowa IA29$449−81%$435 – $2,286
Nebraska NE11$446−81%$365 – $1,170
Michigan MI37$446−81%$253 – $5,127
Oklahoma OK14$380−84%$380 – $7,517
Tennessee TN10$347−85%$186 – $5,114
Oregon OR19$338−86%$330 – $541
Washington WA9not enough hospitals filed a usable price
Kentucky KY8not enough hospitals filed a usable price
North Carolina NC8not enough hospitals filed a usable price
Nevada NV8not enough hospitals filed a usable price
Vermont VT8not enough hospitals filed a usable price
Kansas KS7not enough hospitals filed a usable price
Virginia VA7not enough hospitals filed a usable price
Arizona AZ6not enough hospitals filed a usable price
Colorado CO6not enough hospitals filed a usable price
New Hampshire NH6not enough hospitals filed a usable price
New Mexico NM6not enough hospitals filed a usable price
South Carolina SC6not enough hospitals filed a usable price
South Dakota SD6not enough hospitals filed a usable price
Hawaii HI5not enough hospitals filed a usable price
Wyoming WY5not enough hospitals filed a usable price
Maine ME4not enough hospitals filed a usable price
Utah UT4not enough hospitals filed a usable price
Connecticut CT3not enough hospitals filed a usable price
Montana MT3not enough hospitals filed a usable price
Alaska AK2not enough hospitals filed a usable price
Delaware DE2not enough hospitals filed a usable price
North Dakota ND2not enough hospitals filed a usable price
Rhode Island RI2not enough hospitals filed a usable price
Maryland MD1not 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 $2,358.

Cash price by hospital segment. A segment needs at least 20 hospitals to show a figure.
SegmentHospitalsMedian20th–80th
Hospital type
Acute care590$3,430$449 – $8,676
Children’s14fewer than 20 hospitals
Critical access138$650$346 – $2,450
Ownership
For-profit85$4,981$1,521 – $12,640
Government111$1,157$346 – $4,586
Non-profit546$2,061$396 – $6,996
System affiliation
Part of a system593$2,867$435 – $8,275
Independent151$1,251$402 – $5,279

Cash price vs list price

Median list price (chargemaster)$2,192
Median cash price$2,358
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

353 hospitals filed a usable inpatient cash price for this code. The median is $920 and the average of the middle 60% is $1,465; most fall between $346 and $5,705.

Cash price percentiles, inpatient, across 353 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
$272$380$920$3,773$6,698

The most expensive tenth of hospitals charges at least 25× what the cheapest tenth charges ($272 vs $6,698).

Of the 391 hospitals that filed this code inpatient, 353 gave a usable cash price; 24 carried a plausibility flag, 0 filed a number their own filing marks as not a price, 0 gave an estimate, and 14 a list price only.

How complete is this

744 of the 3,956 hospitals with a price file in our corpus (19%) filed a usable outpatient cash price for this code, and those are the hospitals every figure on this page is computed from.

What the 822 hospitals that filed this code at all gave us
Usable cash price — counted744
Cash price carrying a plausibility flag — shown on the compare tool, excluded here56
A number the filing itself marks as not a price (a placeholder, a ratio) — excluded2
An estimate rather than a filed cash price — excluded3
A list price only, no cash figure — excluded17
Hospitals that filed this code822

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 24, 2026; the figures were computed September 25, 2026 from filings loaded through September 24, 2026. The percentiles and averages use only the “counted” row.

Related procedures

Part of the Other OR therapeutic procedures on nose, mouth and pharynx family.

Hospitals file this code under descriptions such as Nasal/Sinus Endoscopy W/Maxillary Antrostomy.

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, “Endoscopic surgery to open the maxillary sinus (CPT 31256) — cash price report,” computed September 25, 2026. https://hospitalrates.com/procedures/cpt-31256-endoscopic-surgery-to-open-the-maxillary-sinus