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Procedure price report · Microscopic examination (bacterial smear, culture, toxicology)

Cryptosporidium antigen test (enzyme immunoassay)

CPT 87328the billing code this page is about

Laboratory test that detects antigen of the Cryptosporidium parasite, usually in stool, using an enzyme immunoassay.

Hospitals typically charge $64 cash for this outpatient procedure — the median across 2,832 hospitals that filed a usable cash price; the average of the middle 60% is $66. Most fall between $31 and $117 (20th–80th percentile).

Hospitals
2,832
States
50
Filings dated
Aug 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 2,832 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
$19$37$64$103$162

The most expensive tenth of hospitals charges at least 8.4× what the cheapest tenth charges ($19 vs $162).

How the prices are spread

$14 – $19: 133 hospitals$14$19 – $25: 158 hospitals$25 – $33: 192 hospitals$25$33 – $44: 352 hospitals$44 – $58: 309 hospitals$44$58 – $77: 408 hospitals$77 – $103: 429 hospitals$77$103 – $136: 328 hospitals$136 – $181: 151 hospitals$136$181 – $241: 94 hospitals$181median $64price bands are equal on a log scale
Hospitals per price band (2,554 of 2,832 — the bands cover the 5th to 95th percentile)
FromToHospitals
$14$19133
$19$25158
$25$33192
$33$44352
$44$58309
$58$77408
$77$103429
$103$136328
$136$181151
$181$24194

By state

The median cash price in each state, against the national median of $64.

Alaska: median $112 across 12 hospitalsAK$112Maine: median $59 across 27 hospitalsME$59Vermont: median $101 across 11 hospitalsVT$101New Hampshire: median $78 across 19 hospitalsNH$78Washington: median $80 across 67 hospitalsWA$80Idaho: median $77 across 16 hospitalsID$77Montana: median $71 across 24 hospitalsMT$71North Dakota: median $86 across 31 hospitalsND$86Minnesota: median $62 across 82 hospitalsMN$62Illinois: median $92 across 112 hospitalsIL$92Wisconsin: median $72 across 94 hospitalsWI$72Michigan: median $37 across 86 hospitalsMI$37New York: median $38 across 90 hospitalsNY$38Massachusetts: median $59 across 43 hospitalsMA$59Oregon: median $55 across 46 hospitalsOR$55Nevada: median $68 across 17 hospitalsNV$68Wyoming: median $66 across 12 hospitalsWY$66South Dakota: median $113 across 39 hospitalsSD$113Iowa: median $68 across 76 hospitalsIA$68Indiana: median $44 across 90 hospitalsIN$44Ohio: median $69 across 136 hospitalsOH$69Pennsylvania: median $53 across 107 hospitalsPA$53New Jersey: median $16 across 49 hospitalsNJ$16Connecticut: median $41 across 15 hospitalsCT$41Rhode Island: 4 hospitals filed a usable price — fewer than 10, so no figureRICalifornia: median $74 across 125 hospitalsCA$74Utah: median $117 across 41 hospitalsUT$117Colorado: median $86 across 61 hospitalsCO$86Nebraska: median $94 across 73 hospitalsNE$94Missouri: median $60 across 69 hospitalsMO$60Kentucky: median $69 across 56 hospitalsKY$69West Virginia: median $41 across 32 hospitalsWV$41Virginia: median $77 across 67 hospitalsVA$77Maryland: median $73 across 32 hospitalsMD$73Delaware: 7 hospitals filed a usable price — fewer than 10, so no figureDEArizona: median $59 across 32 hospitalsAZ$59New Mexico: median $60 across 19 hospitalsNM$60Kansas: median $76 across 68 hospitalsKS$76Arkansas: median $43 across 21 hospitalsAR$43Tennessee: median $37 across 66 hospitalsTN$37North Carolina: median $31 across 78 hospitalsNC$31South Carolina: median $83 across 46 hospitalsSC$83Oklahoma: median $43 across 61 hospitalsOK$43Louisiana: median $37 across 46 hospitalsLA$37Mississippi: median $35 across 45 hospitalsMS$35Alabama: median $39 across 39 hospitalsAL$39Georgia: median $42 across 92 hospitalsGA$42Hawaii: median $75 across 12 hospitalsHI$75Texas: median $75 across 204 hospitalsTX$75Florida: median $68 across 135 hospitalsFL$68
Cash price by state, most expensive first. National median $64. A state needs at least 10 hospitals with a usable price to show a figure.
StateHospitalsMedianvs national20th–80th
Utah UT41$117+82%$106 – $125
South Dakota SD39$113+75%$72 – $166
Alaska AK12$112+74%$104 – $221
Vermont VT11$101+56%$63 – $124
Nebraska NE73$94+46%$40 – $124
Illinois IL112$92+43%$41 – $146
North Dakota ND31$86+34%$26 – $105
Colorado CO61$86+34%$64 – $198
South Carolina SC46$83+28%$56 – $112
Washington WA67$80+24%$50 – $116
New Hampshire NH19$78+20%$58 – $229
Idaho ID16$77+20%$51 – $106
Virginia VA67$77+19%$51 – $130
Kansas KS68$76+18%$39 – $140
Hawaii HI12$75+16%$71 – $135
Texas TX204$75+16%$39 – $178
California CA125$74+14%$38 – $117
Maryland MD32$73+13%$54 – $81
Wisconsin WI94$72+11%$40 – $100
Montana MT24$71+11%$55 – $97
Ohio OH136$69+7%$52 – $103
Kentucky KY56$69+7%$28 – $145
Iowa IA76$68+6%$39 – $96
Nevada NV17$68+5%$22 – $167
Florida FL135$68+5%$14 – $178
Wyoming WY12$66+3%$30 – $115
Minnesota MN82$62−4%$36 – $97
Missouri MO69$60−7%$42 – $102
New Mexico NM19$60−8%$43 – $153
Maine ME27$59−8%$31 – $111
Arizona AZ32$59−9%$41 – $102
Massachusetts MA43$59−9%$39 – $116
Oregon OR46$55−15%$36 – $76
Pennsylvania PA107$53−18%$16 – $131
Indiana IN90$44−31%$27 – $81
Oklahoma OK61$43−33%$25 – $77
Arkansas AR21$43−33%$15 – $79
Georgia GA92$42−34%$20 – $82
West Virginia WV32$41−36%$30 – $72
Connecticut CT15$41−36%$27 – $53
Alabama AL39$39−39%$18 – $114
New York NY90$38−42%$17 – $84
Michigan MI86$37−42%$16 – $63
Louisiana LA46$37−42%$24 – $85
Tennessee TN66$37−43%$26 – $98
Mississippi MS45$35−46%$23 – $60
North Carolina NC78$31−51%$24 – $116
New Jersey NJ49$16−75%$14 – $64
Delaware DE7not enough hospitals filed a usable price
Rhode Island RI4not 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 $64.

Cash price by hospital segment. A segment needs at least 20 hospitals to show a figure.
SegmentHospitalsMedian20th–80th
Hospital type
Acute care2,001$59$27 – $116
Children’s57$80$48 – $130
Critical access764$74$41 – $120
Ownership
For-profit400$80$31 – $255
Government487$64$31 – $117
Non-profit1,935$62$30 – $106
System affiliation
Part of a system2,344$64$30 – $117
Independent488$68$34 – $121

Cash price vs list price

Median list price (chargemaster)$107
Median cash price$64
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

1,887 hospitals filed a usable inpatient cash price for this code. The median is $66 and the average of the middle 60% is $67; most fall between $32 and $112.

Cash price percentiles, inpatient, across 1,887 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
$20$38$66$100$142

The most expensive tenth of hospitals charges at least 7.1× what the cheapest tenth charges ($20 vs $142).

Of the 2,080 hospitals that filed this code inpatient, 1,887 gave a usable cash price; 95 carried a plausibility flag, 0 filed a number their own filing marks as not a price, 0 gave an estimate, and 98 a list price only.

How complete is this

2,832 of the 3,956 hospitals with a price file in our corpus (72%) filed a usable outpatient cash price for this code, and those are the hospitals every figure on this page is computed from.

What the 3,075 hospitals that filed this code at all gave us
Usable cash price — counted2,832
Cash price carrying a plausibility flag — shown on the compare tool, excluded here133
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 — excluded109
Hospitals that filed this code3,075

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 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 Microscopic examination (bacterial smear, culture, toxicology) family.

Hospitals file this code under descriptions such as HC Cryptosporidium Screen.

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, “Cryptosporidium antigen test (enzyme immunoassay) (CPT 87328) — cash price report,” computed September 25, 2026. https://hospitalrates.com/procedures/cpt-87328-cryptosporidium-antigen-test-enzyme-immunoassay