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Procedure price report · Glaucoma procedures

Revision of a glaucoma drainage implant with patch graft

CPT 66185the billing code this page is about

Surgery to adjust, reposition, or repair a previously placed drainage tube and its external plate, including placement of a tissue patch over the tube.

Hospitals typically charge $2,881 cash for this outpatient procedure — the median across 306 hospitals that filed a usable cash price; the average of the middle 60% is $3,215. Most fall between $1,378 and $5,419 (20th–80th percentile).

Hospitals
306
States
43
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 306 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
$834$1,652$2,881$5,101$7,185

The most expensive tenth of hospitals charges at least 8.6× what the cheapest tenth charges ($834 vs $7,185).

How the prices are spread

$700 – $896: 16 hospitals$700$896 – $1,147: 14 hospitals$1,147 – $1,468: 27 hospitals$1,147$1,468 – $1,879: 13 hospitals$1,879 – $2,406: 23 hospitals$1,879$2,406 – $3,079: 52 hospitals$3,079 – $3,941: 26 hospitals$3,079$3,941 – $5,045: 37 hospitals$5,045 – $6,457: 34 hospitals$5,045$6,457 – $8,265: 34 hospitals$6,457median $2,881price bands are equal on a log scale
Hospitals per price band (276 of 306 — the bands cover the 5th to 95th percentile)
FromToHospitals
$700$89616
$896$1,14714
$1,147$1,46827
$1,468$1,87913
$1,879$2,40623
$2,406$3,07952
$3,079$3,94126
$3,941$5,04537
$5,045$6,45734
$6,457$8,26534

Against Medicare

Medicare pays (OPPS 2026, national rate)$2,358
Median cash price$2,881
Cash as a multiple of Medicare1.22×

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 $2,881.

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: 4 hospitals filed a usable price — fewer than 10, so no figureNHWashington: 3 hospitals filed a usable price — fewer than 10, so no figureWAIdaho: 8 hospitals filed a usable price — fewer than 10, so no figureIDMontana: 1 hospital filed a usable price — fewer than 10, so no figureMTNorth Dakota: no hospital in the corpus filed a usable priceNDMinnesota: 4 hospitals filed a usable price — fewer than 10, so no figureMNIllinois: median $1,354 across 14 hospitalsIL$1,354Wisconsin: median $5,101 across 26 hospitalsWI$5,101Michigan: median $3,173 across 10 hospitalsMI$3,173New York: median $2,699 across 25 hospitalsNY$2,699Massachusetts: 2 hospitals filed a usable price — fewer than 10, so no figureMAOregon: 5 hospitals filed a usable price — fewer than 10, so no figureORNevada: 2 hospitals filed a usable price — fewer than 10, so no figureNVWyoming: 2 hospitals filed a usable price — fewer than 10, so no figureWYSouth Dakota: 1 hospital filed a usable price — fewer than 10, so no figureSDIowa: median $2,099 across 14 hospitalsIA$2,099Indiana: 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 $1,885 across 21 hospitalsPA$1,885New Jersey: median $2,992 across 24 hospitalsNJ$2,992Connecticut: 2 hospitals filed a usable price — fewer than 10, so no figureCTRhode Island: no hospital in the corpus filed a usable priceRICalifornia: median $7,185 across 24 hospitalsCA$7,185Utah: 1 hospital filed a usable price — fewer than 10, so no figureUTColorado: 2 hospitals 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: 5 hospitals filed a usable price — fewer than 10, so no figureWVVirginia: 4 hospitals 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: 5 hospitals filed a usable price — fewer than 10, so no figureNCSouth Carolina: 4 hospitals filed a usable price — fewer than 10, so no figureSCOklahoma: median $1,378 across 12 hospitalsOK$1,378Louisiana: 8 hospitals filed a usable price — fewer than 10, so no figureLAMississippi: no hospital in the corpus filed a usable priceMSAlabama: no hospital in the corpus filed a usable priceALGeorgia: 8 hospitals filed a usable price — fewer than 10, so no figureGAHawaii: 1 hospital filed a usable price — fewer than 10, so no figureHITexas: median $4,538 across 21 hospitalsTX$4,538Florida: 6 hospitals filed a usable price — fewer than 10, so no figureFL
Cash price by state, most expensive first. National median $2,881. A state needs at least 10 hospitals with a usable price to show a figure.
StateHospitalsMedianvs national20th–80th
California CA24$7,185+149%$7,185 – $7,185
Wisconsin WI26$5,101+77%$2,879 – $6,642
Texas TX21$4,538+58%$3,927 – $4,629
Michigan MI10$3,173+10%$1,139 – $5,101
New Jersey NJ24$2,992+4%$2,524 – $5,419
New York NY25$2,699−6%$2,699 – $3,870
Iowa IA14$2,099−27%$2,099 – $2,099
Pennsylvania PA21$1,885−35%$537 – $4,298
Oklahoma OK12$1,378−52%$1,378 – $1,378
Illinois IL14$1,354−53%$818 – $2,443
Georgia GA8not enough hospitals filed a usable price
Idaho ID8not enough hospitals filed a usable price
Louisiana LA8not enough hospitals filed a usable price
Ohio OH7not enough hospitals filed a usable price
Florida FL6not enough hospitals filed a usable price
Tennessee TN6not enough hospitals filed a usable price
Missouri MO5not enough hospitals filed a usable price
North Carolina NC5not enough hospitals filed a usable price
Oregon OR5not enough hospitals filed a usable price
West Virginia WV5not enough hospitals filed a usable price
Indiana IN4not enough hospitals filed a usable price
Minnesota MN4not enough hospitals filed a usable price
New Hampshire NH4not enough hospitals filed a usable price
South Carolina SC4not enough hospitals filed a usable price
Virginia VA4not enough hospitals filed a usable price
Arkansas AR3not enough hospitals filed a usable price
Kentucky KY3not enough hospitals filed a usable price
Nebraska NE3not enough hospitals filed a usable price
Washington WA3not enough hospitals filed a usable price
Colorado CO2not enough hospitals filed a usable price
Connecticut CT2not enough hospitals filed a usable price
Massachusetts MA2not enough hospitals filed a usable price
Nevada NV2not enough hospitals filed a usable price
Vermont VT2not enough hospitals filed a usable price
Wyoming WY2not enough hospitals filed a usable price
Alaska AK1not enough hospitals filed a usable price
Arizona AZ1not enough hospitals filed a usable price
Hawaii HI1not enough hospitals filed a usable price
Kansas KS1not enough hospitals filed a usable price
Montana MT1not enough hospitals filed a usable price
New Mexico NM1not enough hospitals filed a usable price
South Dakota SD1not enough hospitals filed a usable price
Utah UT1not 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 $2,881.

Cash price by hospital segment. A segment needs at least 20 hospitals to show a figure.
SegmentHospitalsMedian20th–80th
Hospital type
Acute care262$2,879$1,378 – $5,369
Children’s6fewer than 20 hospitals
Critical access38$4,629$1,606 – $5,599
Ownership
For-profit35$2,969$818 – $5,599
Government41$2,699$1,735 – $4,289
Non-profit230$2,986$1,378 – $5,599
System affiliation
Part of a system256$2,969$1,378 – $5,599
Independent50$2,550$1,354 – $4,599

Cash price vs list price

Median list price (chargemaster)$4,684
Median cash price$2,881
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

185 hospitals filed a usable inpatient cash price for this code. The median is $2,614 and the average of the middle 60% is $3,146; most fall between $1,091 and $5,599.

Cash price percentiles, inpatient, across 185 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
$818$1,378$2,614$5,101$7,185

The most expensive tenth of hospitals charges at least 8.8× what the cheapest tenth charges ($818 vs $7,185).

Of the 197 hospitals that filed this code inpatient, 185 gave a usable cash price; 9 carried a plausibility flag, 0 filed a number their own filing marks as not a price, 0 gave an estimate, and 3 a list price only.

How complete is this

306 of the 3,956 hospitals with a price file in our corpus (8%) filed a usable outpatient cash price for this code, and those are the hospitals every figure on this page is computed from.

What the 328 hospitals that filed this code at all gave us
Usable cash price — counted306
Cash price carrying a plausibility flag — shown on the compare tool, excluded here15
A number the filing itself marks as not a price (a placeholder, a ratio) — excluded1
An estimate rather than a filed cash price — excluded3
A list price only, no cash figure — excluded3
Hospitals that filed this code328

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 Glaucoma procedures family.

Hospitals file this code under descriptions such as Revj Aqueous Shunt Extraocular Reservoir W/Graft.

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, “Revision of a glaucoma drainage implant with patch graft (CPT 66185) — cash price report,” computed September 25, 2026. https://hospitalrates.com/procedures/cpt-66185-revision-of-a-glaucoma-drainage-implant-with-patch-graft