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Procedure price report · Glaucoma procedures

Drainage channel opened from outside the eye for glaucoma

CPT 65850the billing code this page is about

Glaucoma surgery in which the eye's drainage meshwork is opened through an incision made from the outer surface of the eye.

Hospitals typically charge $2,699 cash for this outpatient procedure — the median across 223 hospitals that filed a usable cash price; the average of the middle 60% is $2,792. Most fall between $1,369 and $5,419 (20th–80th percentile).

Hospitals
223
States
42
Filings dated
Mar 2023 – Sep 2026
Computed
September 25, 2026
Prices checked
through September 23, 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 223 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
$1,030$1,517$2,699$4,650$9,162

The most expensive tenth of hospitals charges at least 8.9× what the cheapest tenth charges ($1,030 vs $9,162).

How the prices are spread

$924 – $1,162: 17 hospitals$924$1,162 – $1,462: 24 hospitals$1,462 – $1,839: 15 hospitals$1,462$1,839 – $2,313: 20 hospitals$2,313 – $2,909: 37 hospitals$2,313$2,909 – $3,660: 30 hospitals$3,660 – $4,603: 12 hospitals$3,660$4,603 – $5,790: 20 hospitals$5,790 – $7,283: 10 hospitals$5,790$7,283 – $9,162: 20 hospitals$7,283median $2,699price bands are equal on a log scale
Hospitals per price band (205 of 223 — the bands cover the 5th to 95th percentile)
FromToHospitals
$924$1,16217
$1,162$1,46224
$1,462$1,83915
$1,839$2,31320
$2,313$2,90937
$2,909$3,66030
$3,660$4,60312
$4,603$5,79020
$5,790$7,28310
$7,283$9,16220

Against Medicare

Medicare pays (OPPS 2026, national rate)$2,358
Median cash price$2,699
Cash as a multiple of Medicare1.14×

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 $2,699.

Alaska: 1 hospital filed a usable price — fewer than 10, so no figureAKMaine: no hospital in the corpus filed a usable priceMEVermont: 2 hospitals filed a usable price — fewer than 10, so no figureVTNew Hampshire: 3 hospitals filed a usable price — fewer than 10, so no figureNHWashington: 3 hospitals filed a usable price — fewer than 10, so no figureWAIdaho: 6 hospitals filed a usable price — fewer than 10, so no figureIDMontana: 2 hospitals filed a usable price — fewer than 10, so no figureMTNorth Dakota: 1 hospital filed a usable price — fewer than 10, so no figureNDMinnesota: 3 hospitals filed a usable price — fewer than 10, so no figureMNIllinois: median $1,444 across 12 hospitalsIL$1,444Wisconsin: 1 hospital filed a usable price — fewer than 10, so no figureWIMichigan: 7 hospitals filed a usable price — fewer than 10, so no figureMINew York: median $2,699 across 21 hospitalsNY$2,699Massachusetts: no hospital in the corpus filed a usable priceMAOregon: 5 hospitals filed a usable price — fewer than 10, so no figureORNevada: 1 hospital filed a usable price — fewer than 10, so no figureNVWyoming: 1 hospital filed a usable price — fewer than 10, so no figureWYSouth Dakota: 1 hospital filed a usable price — fewer than 10, so no figureSDIowa: median $2,095 across 14 hospitalsIA$2,095Indiana: 4 hospitals filed a usable price — fewer than 10, so no figureINOhio: 7 hospitals filed a usable price — fewer than 10, so no figureOHPennsylvania: median $3,856 across 11 hospitalsPA$3,856New Jersey: median $3,786 across 23 hospitalsNJ$3,786Connecticut: 1 hospital filed a usable price — fewer than 10, so no figureCTRhode Island: no hospital in the corpus filed a usable priceRICalifornia: median $9,162 across 22 hospitalsCA$9,162Utah: 1 hospital filed a usable price — fewer than 10, so no figureUTColorado: 1 hospital filed a usable price — fewer than 10, so no figureCONebraska: 3 hospitals filed a usable price — fewer than 10, so no figureNEMissouri: 5 hospitals filed a usable price — fewer than 10, so no figureMOKentucky: 3 hospitals filed a usable price — fewer than 10, so no figureKYWest Virginia: 2 hospitals filed a usable price — fewer than 10, so no figureWVVirginia: 1 hospital filed a usable price — fewer than 10, so no figureVAMaryland: no hospital in the corpus filed a usable priceMDDelaware: no hospital in the corpus filed a usable priceDEArizona: 1 hospital filed a usable price — fewer than 10, so no figureAZNew Mexico: 1 hospital filed a usable price — fewer than 10, so no figureNMKansas: 1 hospital filed a usable price — fewer than 10, so no figureKSArkansas: 3 hospitals filed a usable price — fewer than 10, so no figureARTennessee: 6 hospitals filed a usable price — fewer than 10, so no figureTNNorth Carolina: 2 hospitals filed a usable price — fewer than 10, so no figureNCSouth Carolina: 3 hospitals filed a usable price — fewer than 10, so no figureSCOklahoma: median $1,369 across 12 hospitalsOK$1,369Louisiana: 3 hospitals filed a usable price — fewer than 10, so no figureLAMississippi: no hospital in the corpus filed a usable priceMSAlabama: 1 hospital filed a usable price — fewer than 10, so no figureALGeorgia: no hospital in the corpus filed a usable priceGAHawaii: no hospital in the corpus filed a usable priceHITexas: median $3,320 across 20 hospitalsTX$3,320Florida: 2 hospitals filed a usable price — fewer than 10, so no figureFL
Cash price by state, most expensive first. National median $2,699. A state needs at least 10 hospitals with a usable price to show a figure.
StateHospitalsMedianvs national20th–80th
California CA22$9,162+239%$9,162 – $9,162
Pennsylvania PA11$3,856+43%$532 – $4,912
New Jersey NJ23$3,786+40%$2,524 – $5,419
Texas TX20$3,320+23%$2,793 – $3,320
New York NY21$2,6990%$2,699 – $2,881
Iowa IA14$2,095−22%$2,095 – $2,095
Illinois IL12$1,444−47%$1,030 – $2,572
Oklahoma OK12$1,369−49%$1,369 – $1,369
Michigan MI7not enough hospitals filed a usable price
Ohio OH7not enough hospitals filed a usable price
Idaho ID6not enough hospitals filed a usable price
Tennessee TN6not enough hospitals filed a usable price
Missouri MO5not enough hospitals filed a usable price
Oregon OR5not enough hospitals filed a usable price
Indiana IN4not enough hospitals filed a usable price
Arkansas AR3not enough hospitals filed a usable price
Kentucky KY3not enough hospitals filed a usable price
Louisiana LA3not enough hospitals filed a usable price
Minnesota MN3not enough hospitals filed a usable price
Nebraska NE3not enough hospitals filed a usable price
New Hampshire NH3not enough hospitals filed a usable price
South Carolina SC3not enough hospitals filed a usable price
Washington WA3not enough hospitals filed a usable price
Florida FL2not enough hospitals filed a usable price
Montana MT2not enough hospitals filed a usable price
North Carolina NC2not enough hospitals filed a usable price
Vermont VT2not enough hospitals filed a usable price
West Virginia WV2not enough hospitals filed a usable price
Alaska AK1not enough hospitals filed a usable price
Alabama AL1not enough hospitals filed a usable price
Arizona AZ1not enough hospitals filed a usable price
Colorado CO1not enough hospitals filed a usable price
Connecticut CT1not enough hospitals filed a usable price
Kansas KS1not enough hospitals filed a usable price
North Dakota ND1not enough hospitals filed a usable price
New Mexico NM1not enough hospitals filed a usable price
Nevada NV1not enough hospitals filed a usable price
South Dakota SD1not enough hospitals filed a usable price
Utah UT1not enough hospitals filed a usable price
Virginia VA1not enough hospitals filed a usable price
Wisconsin WI1not enough hospitals filed a usable price
Wyoming WY1not 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 $2,699.

Cash price by hospital segment. A segment needs at least 20 hospitals to show a figure.
SegmentHospitalsMedian20th–80th
Hospital type
Acute care198$2,699$1,431 – $5,110
Children’s9fewer than 20 hospitals
Critical access16fewer than 20 hospitals
Ownership
For-profit24$3,104$1,030 – $5,087
Government27$2,551$1,431 – $2,793
Non-profit172$2,739$1,376 – $5,599
System affiliation
Part of a system182$2,699$1,369 – $5,419
Independent41$2,325$1,342 – $4,574

Cash price vs list price

Median list price (chargemaster)$3,156
Median cash price$2,699
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

139 hospitals filed a usable inpatient cash price for this code. The median is $2,095 and the average of the middle 60% is $2,475; most fall between $1,030 and $5,599.

Cash price percentiles, inpatient, across 139 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
$920$1,369$2,095$4,298$9,162

The most expensive tenth of hospitals charges at least 10.0× what the cheapest tenth charges ($920 vs $9,162).

Of the 149 hospitals that filed this code inpatient, 139 gave a usable cash price; 8 carried a plausibility flag, 0 filed a number their own filing marks as not a price, 0 gave an estimate, and 2 a list price only.

How complete is this

223 of the 3,956 hospitals with a price file in our corpus (6%) filed a usable outpatient cash price for this code, and those are the hospitals every figure on this page is computed from.

What the 246 hospitals that filed this code at all gave us
Usable cash price — counted223
Cash price carrying a plausibility flag — shown on the compare tool, excluded here19
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 — excluded3
Hospitals that filed this code246

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 23, 2026; the figures were computed September 25, 2026 from filings loaded through September 23, 2026. The percentiles and averages use only the “counted” row.

Related procedures

Part of the Glaucoma procedures family.

Hospitals file this code under descriptions such as Trabeculotomy Ab Externo.

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, “Drainage channel opened from outside the eye for glaucoma (CPT 65850) — cash price report,” computed September 25, 2026. https://hospitalrates.com/procedures/cpt-65850-drainage-channel-opened-from-outside-the-eye-for-glaucoma