HRHospitalRates.comCompare prices

Procedure price report · Other diagnostic ultrasound or optical coherence tomography (OCT)

Ultrasound of the uterus with saline fluid instilled

CPT 76831the billing code this page is about

Ultrasound of the uterine cavity while sterile fluid is placed inside it, including any vaginal-probe imaging done at the same time.

Hospitals typically charge $507 cash for this outpatient procedure — the median across 1,821 hospitals that filed a usable cash price; the average of the middle 60% is $547. Most fall between $273 and $952 (20th–80th percentile).

Hospitals
1,821
States
50
Filings dated
Dec 2022 – 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 1,821 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
$186$302$507$866$1,351

The most expensive tenth of hospitals charges at least 7.3× what the cheapest tenth charges ($186 vs $1,351).

How the prices are spread

$124 – $164: 45 hospitals$124$164 – $216: 88 hospitals$216 – $284: 168 hospitals$216$284 – $374: 222 hospitals$374 – $492: 268 hospitals$374$492 – $648: 236 hospitals$648 – $853: 240 hospitals$648$853 – $1,123: 208 hospitals$1,123 – $1,479: 126 hospitals$1,123$1,479 – $1,947: 38 hospitals$1,479median $507price bands are equal on a log scale
Hospitals per price band (1,639 of 1,821 — the bands cover the 5th to 95th percentile)
FromToHospitals
$124$16445
$164$21688
$216$284168
$284$374222
$374$492268
$492$648236
$648$853240
$853$1,123208
$1,123$1,479126
$1,479$1,94738

Against Medicare

Medicare pays (OPPS 2026, national rate)$244
Median cash price$507
Cash as a multiple of Medicare2.1×

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 $507.

Alaska: median $766 across 11 hospitalsAK$766Maine: median $392 across 19 hospitalsME$392Vermont: 9 hospitals filed a usable price — fewer than 10, so no figureVTNew Hampshire: median $552 across 14 hospitalsNH$552Washington: median $479 across 44 hospitalsWA$479Idaho: median $1,001 across 11 hospitalsID$1,001Montana: 8 hospitals filed a usable price — fewer than 10, so no figureMTNorth Dakota: median $398 across 12 hospitalsND$398Minnesota: median $446 across 47 hospitalsMN$446Illinois: median $735 across 76 hospitalsIL$735Wisconsin: median $462 across 78 hospitalsWI$462Michigan: median $302 across 51 hospitalsMI$302New York: median $394 across 93 hospitalsNY$394Massachusetts: median $641 across 40 hospitalsMA$641Oregon: median $513 across 30 hospitalsOR$513Nevada: 8 hospitals filed a usable price — fewer than 10, so no figureNVWyoming: 6 hospitals filed a usable price — fewer than 10, so no figureWYSouth Dakota: median $578 across 11 hospitalsSD$578Iowa: median $428 across 36 hospitalsIA$428Indiana: median $376 across 69 hospitalsIN$376Ohio: median $700 across 93 hospitalsOH$700Pennsylvania: median $435 across 71 hospitalsPA$435New Jersey: median $280 across 43 hospitalsNJ$280Connecticut: 9 hospitals filed a usable price — fewer than 10, so no figureCTRhode Island: 6 hospitals filed a usable price — fewer than 10, so no figureRICalifornia: median $905 across 150 hospitalsCA$905Utah: median $699 across 34 hospitalsUT$699Colorado: median $537 across 40 hospitalsCO$537Nebraska: median $247 across 17 hospitalsNE$247Missouri: median $539 across 32 hospitalsMO$539Kentucky: median $884 across 23 hospitalsKY$884West Virginia: median $308 across 20 hospitalsWV$308Virginia: median $655 across 39 hospitalsVA$655Maryland: median $121 across 25 hospitalsMD$121Delaware: 2 hospitals filed a usable price — fewer than 10, so no figureDEArizona: median $299 across 36 hospitalsAZ$299New Mexico: 8 hospitals filed a usable price — fewer than 10, so no figureNMKansas: median $635 across 19 hospitalsKS$635Arkansas: 9 hospitals filed a usable price — fewer than 10, so no figureARTennessee: median $298 across 28 hospitalsTN$298North Carolina: median $467 across 42 hospitalsNC$467South Carolina: median $612 across 33 hospitalsSC$612Oklahoma: median $242 across 20 hospitalsOK$242Louisiana: median $277 across 22 hospitalsLA$277Mississippi: 9 hospitals filed a usable price — fewer than 10, so no figureMSAlabama: median $346 across 15 hospitalsAL$346Georgia: median $462 across 57 hospitalsGA$462Hawaii: median $629 across 12 hospitalsHI$629Texas: median $674 across 140 hospitalsTX$674Florida: median $830 across 94 hospitalsFL$830
Cash price by state, most expensive first. National median $507. A state needs at least 10 hospitals with a usable price to show a figure.
StateHospitalsMedianvs national20th–80th
Idaho ID11$1,001+97%$617 – $1,001
California CA150$905+78%$339 – $1,296
Kentucky KY23$884+74%$192 – $971
Florida FL94$830+64%$458 – $1,731
Alaska AK11$766+51%$293 – $992
Illinois IL76$735+45%$286 – $1,399
Ohio OH93$700+38%$406 – $1,084
Utah UT34$699+38%$501 – $822
Texas TX140$674+33%$410 – $1,745
Virginia VA39$655+29%$347 – $701
Massachusetts MA40$641+26%$404 – $932
Kansas KS19$635+25%$224 – $1,409
Hawaii HI12$629+24%$516 – $929
South Carolina SC33$612+21%$369 – $679
South Dakota SD11$578+14%$511 – $583
New Hampshire NH14$552+9%$391 – $1,612
Missouri MO32$539+6%$255 – $667
Colorado CO40$537+6%$354 – $866
Oregon OR30$513+1%$329 – $696
Washington WA44$479−6%$302 – $674
North Carolina NC42$467−8%$322 – $563
Georgia GA57$462−9%$323 – $947
Wisconsin WI78$462−9%$273 – $827
Minnesota MN47$446−12%$191 – $527
Pennsylvania PA71$435−14%$269 – $835
Iowa IA36$428−16%$221 – $677
North Dakota ND12$398−22%$315 – $920
New York NY93$394−22%$283 – $971
Maine ME19$392−23%$221 – $920
Indiana IN69$376−26%$238 – $523
Alabama AL15$346−32%$211 – $432
West Virginia WV20$308−39%$39 – $628
Michigan MI51$302−40%$233 – $647
Arizona AZ36$299−41%$188 – $1,349
Tennessee TN28$298−41%$171 – $895
New Jersey NJ43$280−45%$186 – $485
Louisiana LA22$277−45%$99 – $460
Nebraska NE17$247−51%$164 – $493
Oklahoma OK20$242−52%$157 – $425
Maryland MD25$121−76%$70 – $250
Arkansas AR9not enough hospitals filed a usable price
Connecticut CT9not enough hospitals filed a usable price
Mississippi MS9not enough hospitals filed a usable price
Vermont VT9not enough hospitals filed a usable price
Montana MT8not enough hospitals filed a usable price
New Mexico NM8not enough hospitals filed a usable price
Nevada NV8not enough hospitals filed a usable price
Rhode Island RI6not enough hospitals filed a usable price
Wyoming WY6not 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 $507.

Cash price by hospital segment. A segment needs at least 20 hospitals to show a figure.
SegmentHospitalsMedian20th–80th
Hospital type
Acute care1,520$527$280 – $972
Children’s13fewer than 20 hospitals
Critical access282$426$235 – $758
Ownership
For-profit231$826$327 – $1,947
Government226$488$271 – $735
Non-profit1,358$490$268 – $910
System affiliation
Part of a system1,578$513$282 – $971
Independent243$478$222 – $796

Cash price vs list price

Median list price (chargemaster)$938
Median cash price$507
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

1,316 hospitals filed a usable inpatient cash price for this code. The median is $561 and the average of the middle 60% is $580; most fall between $292 and $955.

Cash price percentiles, inpatient, across 1,316 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
$198$335$561$876$1,298

The most expensive tenth of hospitals charges at least 6.6× what the cheapest tenth charges ($198 vs $1,298).

Of the 1,453 hospitals that filed this code inpatient, 1,316 gave a usable cash price; 82 carried a plausibility flag, 1 filed a number their own filing marks as not a price, 0 gave an estimate, and 54 a list price only.

How complete is this

1,821 of the 3,956 hospitals with a price file in our corpus (46%) filed a usable outpatient cash price for this code, and those are the hospitals every figure on this page is computed from.

What the 2,028 hospitals that filed this code at all gave us
Usable cash price — counted1,821
Cash price carrying a plausibility flag — shown on the compare tool, excluded here144
A number the filing itself marks as not a price (a placeholder, a ratio) — excluded1
An estimate rather than a filed cash price — excluded1
A list price only, no cash figure — excluded61
Hospitals that filed this code2,028

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 July 20, 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 diagnostic ultrasound or optical coherence tomography (OCT) family.

Hospitals file this code under descriptions such as SIS or SHG (includes 58340) when already performed during the 99499 or an additional service is required.

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, “Ultrasound of the uterus with saline fluid instilled (CPT 76831) — cash price report,” computed September 25, 2026. https://hospitalrates.com/procedures/cpt-76831-ultrasound-of-the-uterus-with-saline-fluid-instilled