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Procedure price report · Other Laboratory

Endomysial antibody blood test, each antibody type

CPT 86231the billing code this page is about

Blood test for endomysial antibodies, used in celiac disease evaluation; billed once for each immunoglobulin class tested.

Hospitals typically charge $43 cash for this outpatient procedure — the median across 2,413 hospitals that filed a usable cash price; the average of the middle 60% is $50. Most fall between $20 and $109 (20th–80th percentile).

Hospitals
2,413
States
50
Filings dated
Dec 2022 – 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 2,413 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
$13$22$43$94$175

The most expensive tenth of hospitals charges at least 13× what the cheapest tenth charges ($13 vs $175).

How the prices are spread

$10 – $14: 175 hospitals$10$14 – $20: 173 hospitals$20 – $28: 326 hospitals$20$28 – $38: 288 hospitals$38 – $54: 320 hospitals$38$54 – $75: 224 hospitals$75 – $104: 266 hospitals$75$104 – $146: 190 hospitals$146 – $203: 139 hospitals$146$203 – $284: 73 hospitals$203median $43price bands are equal on a log scale
Hospitals per price band (2,174 of 2,413 — the bands cover the 5th to 95th percentile)
FromToHospitals
$10$14175
$14$20173
$20$28326
$28$38288
$38$54320
$54$75224
$75$104266
$104$146190
$146$203139
$203$28473

By state

The median cash price in each state, against the national median of $43.

Alaska: median $39 across 13 hospitalsAK$39Maine: median $54 across 24 hospitalsME$54Vermont: 6 hospitals filed a usable price — fewer than 10, so no figureVTNew Hampshire: median $44 across 24 hospitalsNH$44Washington: median $35 across 51 hospitalsWA$35Idaho: median $35 across 17 hospitalsID$35Montana: median $114 across 22 hospitalsMT$114North Dakota: median $54 across 21 hospitalsND$54Minnesota: median $54 across 71 hospitalsMN$54Illinois: median $45 across 101 hospitalsIL$45Wisconsin: median $47 across 84 hospitalsWI$47Michigan: median $31 across 66 hospitalsMI$31New York: median $28 across 82 hospitalsNY$28Massachusetts: median $63 across 42 hospitalsMA$63Oregon: median $36 across 36 hospitalsOR$36Nevada: median $35 across 12 hospitalsNV$35Wyoming: 9 hospitals filed a usable price — fewer than 10, so no figureWYSouth Dakota: median $54 across 12 hospitalsSD$54Iowa: median $65 across 67 hospitalsIA$65Indiana: median $49 across 75 hospitalsIN$49Ohio: median $44 across 103 hospitalsOH$44Pennsylvania: median $67 across 111 hospitalsPA$67New Jersey: median $13 across 51 hospitalsNJ$13Connecticut: median $43 across 17 hospitalsCT$43Rhode Island: 9 hospitals filed a usable price — fewer than 10, so no figureRICalifornia: median $22 across 99 hospitalsCA$22Utah: median $148 across 36 hospitalsUT$148Colorado: median $81 across 45 hospitalsCO$81Nebraska: median $96 across 55 hospitalsNE$96Missouri: median $70 across 57 hospitalsMO$70Kentucky: median $36 across 48 hospitalsKY$36West Virginia: median $30 across 35 hospitalsWV$30Virginia: median $42 across 68 hospitalsVA$42Maryland: median $26 across 30 hospitalsMD$26Delaware: 7 hospitals filed a usable price — fewer than 10, so no figureDEArizona: median $48 across 23 hospitalsAZ$48New Mexico: median $23 across 13 hospitalsNM$23Kansas: median $84 across 49 hospitalsKS$84Arkansas: median $43 across 23 hospitalsAR$43Tennessee: median $30 across 60 hospitalsTN$30North Carolina: median $27 across 74 hospitalsNC$27South Carolina: median $59 across 34 hospitalsSC$59Oklahoma: median $54 across 53 hospitalsOK$54Louisiana: median $26 across 44 hospitalsLA$26Mississippi: median $24 across 40 hospitalsMS$24Alabama: median $26 across 22 hospitalsAL$26Georgia: median $56 across 70 hospitalsGA$56Hawaii: median $53 across 13 hospitalsHI$53Texas: median $57 across 168 hospitalsTX$57Florida: median $20 across 121 hospitalsFL$20
Cash price by state, most expensive first. National median $43. A state needs at least 10 hospitals with a usable price to show a figure.
StateHospitalsMedianvs national20th–80th
Utah UT36$148+244%$81 – $174
Montana MT22$114+165%$43 – $164
Nebraska NE55$96+123%$56 – $129
Kansas KS49$84+96%$40 – $149
Colorado CO45$81+89%$45 – $133
Missouri MO57$70+62%$34 – $119
Pennsylvania PA111$67+55%$23 – $121
Iowa IA67$65+52%$47 – $132
Massachusetts MA42$63+47%$37 – $107
South Carolina SC34$59+38%$48 – $124
Texas TX168$57+32%$20 – $271
Georgia GA70$56+30%$39 – $78
Minnesota MN71$54+27%$29 – $121
North Dakota ND21$54+27%$21 – $89
South Dakota SD12$54+27%$41 – $183
Maine ME24$54+25%$18 – $134
Oklahoma OK53$54+25%$23 – $100
Hawaii HI13$53+24%$31 – $97
Indiana IN75$49+13%$17 – $109
Arizona AZ23$48+12%$14 – $105
Wisconsin WI84$47+10%$38 – $104
Illinois IL101$45+5%$25 – $164
New Hampshire NH24$44+3%$33 – $143
Ohio OH103$44+1%$25 – $133
Arkansas AR23$430%$19 – $92
Connecticut CT17$430%$26 – $86
Virginia VA68$42−3%$20 – $69
Alaska AK13$39−9%$12 – $67
Kentucky KY48$36−16%$24 – $152
Oregon OR36$36−16%$34 – $64
Washington WA51$35−18%$19 – $66
Nevada NV12$35−18%$12 – $62
Idaho ID17$35−19%$32 – $109
Michigan MI66$31−27%$17 – $116
Tennessee TN60$30−30%$19 – $75
West Virginia WV35$30−31%$20 – $54
New York NY82$28−35%$13 – $55
North Carolina NC74$27−37%$13 – $95
Louisiana LA44$26−39%$9 – $42
Maryland MD30$26−39%$19 – $65
Alabama AL22$26−39%$13 – $59
Mississippi MS40$24−45%$10 – $38
New Mexico NM13$23−46%$21 – $39
California CA99$22−49%$8 – $26
Florida FL121$20−54%$11 – $64
New Jersey NJ51$13−69%$12 – $21
Rhode Island RI9not enough hospitals filed a usable price
Wyoming WY9not enough hospitals filed a usable price
Delaware DE7not enough hospitals filed a usable price
Vermont VT6not 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 $43.

Cash price by hospital segment. A segment needs at least 20 hospitals to show a figure.
SegmentHospitalsMedian20th–80th
Hospital type
Acute care1,776$39$19 – $105
Children’s52$66$31 – $149
Critical access576$58$26 – $121
Ownership
For-profit333$57$18 – $271
Government371$44$22 – $105
Non-profit1,700$42$20 – $104
System affiliation
Part of a system2,055$42$20 – $108
Independent358$50$22 – $117

Cash price vs list price

Median list price (chargemaster)$74
Median cash price$43
Cash as a share of list, median hospital65%

At the typical hospital, asking for the cash price cuts the list price by about 35%. 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

1,639 hospitals filed a usable inpatient cash price for this code. The median is $44 and the average of the middle 60% is $50; most fall between $21 and $106.

Cash price percentiles, inpatient, across 1,639 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
$14$23$44$93$152

The most expensive tenth of hospitals charges at least 11× what the cheapest tenth charges ($14 vs $152).

Of the 1,814 hospitals that filed this code inpatient, 1,639 gave a usable cash price; 96 carried a plausibility flag, 0 filed a number their own filing marks as not a price, 0 gave an estimate, and 79 a list price only.

How complete is this

2,413 of the 3,956 hospitals with a price file in our corpus (61%) filed a usable outpatient cash price for this code, and those are the hospitals every figure on this page is computed from.

What the 2,623 hospitals that filed this code at all gave us
Usable cash price — counted2,413
Cash price carrying a plausibility flag — shown on the compare tool, excluded here125
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 — excluded81
Hospitals that filed this code2,623

Sections not shown for this setting

  • Against Medicare: Medicare has no separately payable national outpatient (OPPS) rate for this code, so there is nothing honest to compare against.
  • 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 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 Other Laboratory family.

Hospitals file this code under descriptions such as HC Endomysial Ab.

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, “Endomysial antibody blood test, each antibody type (CPT 86231) — cash price report,” computed September 25, 2026. https://hospitalrates.com/procedures/cpt-86231-endomysial-antibody-blood-test-each-antibody-type