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Procedure price report · Pathology

Platelet antigen genotype test, HPA-1

CPT 81105the billing code this page is about

A blood or tissue DNA test that identifies which version of the HPA-1 platelet antigen a person carries, used in evaluating platelet compatibility and immune platelet disorders.

Hospitals typically charge $185 cash for this outpatient procedure — the median across 802 hospitals that filed a usable cash price; the average of the middle 60% is $201. Most fall between $108 and $392 (20th–80th percentile).

Hospitals
802
States
45
Filings dated
Dec 2024 – 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 802 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
$88$120$185$342$548

The most expensive tenth of hospitals charges at least 6.2× what the cheapest tenth charges ($88 vs $548).

How the prices are spread

$64 – $82: 31 hospitals$64$82 – $106: 69 hospitals$106 – $137: 160 hospitals$106$137 – $176: 81 hospitals$176 – $228: 106 hospitals$176$228 – $294: 93 hospitals$294 – $379: 41 hospitals$294$379 – $490: 72 hospitals$490 – $632: 47 hospitals$490$632 – $816: 22 hospitals$632median $185price bands are equal on a log scale
Hospitals per price band (722 of 802 — the bands cover the 5th to 95th percentile)
FromToHospitals
$64$8231
$82$10669
$106$137160
$137$17681
$176$228106
$228$29493
$294$37941
$379$49072
$490$63247
$632$81622

By state

The median cash price in each state, against the national median of $185.

Alaska: no hospital in the corpus filed a usable priceAKMaine: no hospital in the corpus filed a usable priceMEVermont: no hospital in the corpus filed a usable priceVTNew Hampshire: 1 hospital filed a usable price — fewer than 10, so no figureNHWashington: median $185 across 28 hospitalsWA$185Idaho: 3 hospitals filed a usable price — fewer than 10, so no figureIDMontana: 4 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 $107 across 19 hospitalsMN$107Illinois: median $257 across 20 hospitalsIL$257Wisconsin: median $282 across 17 hospitalsWI$282Michigan: median $116 across 18 hospitalsMI$116New York: median $161 across 40 hospitalsNY$161Massachusetts: 9 hospitals filed a usable price — fewer than 10, so no figureMAOregon: 6 hospitals filed a usable price — fewer than 10, so no figureORNevada: 5 hospitals filed a usable price — fewer than 10, so no figureNVWyoming: no hospital in the corpus filed a usable priceWYSouth Dakota: no hospital in the corpus filed a usable priceSDIowa: median $128 across 11 hospitalsIA$128Indiana: median $226 across 29 hospitalsIN$226Ohio: median $202 across 86 hospitalsOH$202Pennsylvania: median $168 across 37 hospitalsPA$168New Jersey: median $134 across 40 hospitalsNJ$134Connecticut: 8 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 $1,210 across 26 hospitalsCA$1,210Utah: 6 hospitals filed a usable price — fewer than 10, so no figureUTColorado: median $182 across 16 hospitalsCO$182Nebraska: 3 hospitals filed a usable price — fewer than 10, so no figureNEMissouri: median $243 across 16 hospitalsMO$243Kentucky: median $267 across 13 hospitalsKY$267West Virginia: 6 hospitals filed a usable price — fewer than 10, so no figureWVVirginia: median $135 across 36 hospitalsVA$135Maryland: median $146 across 27 hospitalsMD$146Delaware: 4 hospitals filed a usable price — fewer than 10, so no figureDEArizona: 7 hospitals filed a usable price — fewer than 10, so no figureAZNew Mexico: 3 hospitals filed a usable price — fewer than 10, so no figureNMKansas: 5 hospitals filed a usable price — fewer than 10, so no figureKSArkansas: 3 hospitals filed a usable price — fewer than 10, so no figureARTennessee: median $201 across 12 hospitalsTN$201North Carolina: median $111 across 33 hospitalsNC$111South Carolina: median $390 across 18 hospitalsSC$390Oklahoma: 9 hospitals filed a usable price — fewer than 10, so no figureOKLouisiana: median $386 across 11 hospitalsLA$386Mississippi: 1 hospital filed a usable price — fewer than 10, so no figureMSAlabama: 8 hospitals filed a usable price — fewer than 10, so no figureALGeorgia: median $189 across 36 hospitalsGA$189Hawaii: 6 hospitals filed a usable price — fewer than 10, so no figureHITexas: median $88 across 77 hospitalsTX$88Florida: median $227 across 35 hospitalsFL$227
Cash price by state, most expensive first. National median $185. A state needs at least 10 hospitals with a usable price to show a figure.
StateHospitalsMedianvs national20th–80th
California CA26$1,210+555%$255 – $1,210
South Carolina SC18$390+111%$290 – $390
Louisiana LA11$386+109%$109 – $466
Wisconsin WI17$282+52%$118 – $426
Kentucky KY13$267+44%$178 – $267
Illinois IL20$257+39%$175 – $319
Missouri MO16$243+31%$227 – $280
Florida FL35$227+23%$44 – $285
Indiana IN29$226+22%$170 – $264
Ohio OH86$202+9%$115 – $482
Tennessee TN12$201+9%$108 – $230
Georgia GA36$189+2%$138 – $412
Washington WA28$1850%$140 – $320
Colorado CO16$182−1%$151 – $296
Pennsylvania PA37$168−9%$95 – $558
New York NY40$161−13%$122 – $313
Maryland MD27$146−21%$73 – $380
Virginia VA36$135−27%$120 – $219
New Jersey NJ40$134−27%$122 – $238
Iowa IA11$128−31%$128 – $128
Michigan MI18$116−37%$116 – $268
North Carolina NC33$111−40%$88 – $120
Minnesota MN19$107−42%$74 – $108
Texas TX77$88−52%$72 – $668
Massachusetts MA9not enough hospitals filed a usable price
Oklahoma OK9not enough hospitals filed a usable price
Alabama AL8not enough hospitals filed a usable price
Connecticut CT8not enough hospitals filed a usable price
Arizona AZ7not enough hospitals filed a usable price
Hawaii HI6not enough hospitals filed a usable price
Oregon OR6not enough hospitals filed a usable price
Utah UT6not enough hospitals filed a usable price
West Virginia WV6not enough hospitals filed a usable price
Kansas KS5not enough hospitals filed a usable price
Nevada NV5not enough hospitals filed a usable price
Delaware DE4not enough hospitals filed a usable price
Montana MT4not enough hospitals filed a usable price
Arkansas AR3not enough hospitals filed a usable price
Idaho ID3not enough hospitals filed a usable price
Nebraska NE3not enough hospitals filed a usable price
New Mexico NM3not enough hospitals filed a usable price
North Dakota ND2not enough hospitals filed a usable price
Rhode Island RI2not enough hospitals filed a usable price
Mississippi MS1not enough hospitals filed a usable price
New Hampshire NH1not 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 $185.

Cash price by hospital segment. A segment needs at least 20 hospitals to show a figure.
SegmentHospitalsMedian20th–80th
Hospital type
Acute care704$185$108 – $390
Children’s21$116$97 – $317
Critical access71$227$120 – $426
Ownership
For-profit74$230$115 – $503
Government95$135$106 – $230
Non-profit627$188$115 – $410
System affiliation
Part of a system727$185$108 – $391
Independent75$226$122 – $398

Cash price vs list price

Median list price (chargemaster)$365
Median cash price$185
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

573 hospitals filed a usable inpatient cash price for this code. The median is $200 and the average of the middle 60% is $214; most fall between $106 and $412.

Cash price percentiles, inpatient, across 573 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
$88$115$200$386$557

The most expensive tenth of hospitals charges at least 6.3× what the cheapest tenth charges ($88 vs $557).

Of the 623 hospitals that filed this code inpatient, 573 gave a usable cash price; 33 carried a plausibility flag, 0 filed a number their own filing marks as not a price, 0 gave an estimate, and 17 a list price only.

How complete is this

802 of the 3,956 hospitals with a price file in our corpus (20%) filed a usable outpatient cash price for this code, and those are the hospitals every figure on this page is computed from.

What the 867 hospitals that filed this code at all gave us
Usable cash price — counted802
Cash price carrying a plausibility flag — shown on the compare tool, excluded here45
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 — excluded19
Hospitals that filed this code867

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 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 Pathology family.

Hospitals file this code under descriptions such as HPA-1 GENOTYPING.

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, “Platelet antigen genotype test, HPA-1 (CPT 81105) — cash price report,” computed September 25, 2026. https://hospitalrates.com/procedures/cpt-81105-platelet-antigen-genotype-test-hpa-1