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

Identifying a cultured organism by antibody clumping test

CPT 87147the billing code this page is about

Typing of an organism already grown in culture using an immune reaction such as agglutination grouping; billed once for each antiserum used.

Hospitals typically charge $32 cash for this outpatient procedure — the median across 2,583 hospitals that filed a usable cash price; the average of the middle 60% is $34. Most fall between $15 and $64 (20th–80th percentile).

Hospitals
2,583
States
50
Filings dated
Mar 2023 – 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 2,583 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
$9$18$32$56$96

The most expensive tenth of hospitals charges at least 10× what the cheapest tenth charges ($9 vs $96).

How the prices are spread

$6 – $8: 87 hospitals$6$8 – $11: 122 hospitals$11 – $15: 193 hospitals$11$15 – $21: 212 hospitals$21 – $28: 397 hospitals$21$28 – $39: 406 hospitals$39 – $53: 345 hospitals$39$53 – $72: 275 hospitals$72 – $99: 184 hospitals$72$99 – $135: 118 hospitals$99median $32price bands are equal on a log scale
Hospitals per price band (2,339 of 2,583 — the bands cover the 5th to 95th percentile)
FromToHospitals
$6$887
$8$11122
$11$15193
$15$21212
$21$28397
$28$39406
$39$53345
$53$72275
$72$99184
$99$135118

By state

The median cash price in each state, against the national median of $32.

Alaska: median $57 across 14 hospitalsAK$57Maine: median $13 across 17 hospitalsME$13Vermont: 9 hospitals filed a usable price — fewer than 10, so no figureVTNew Hampshire: median $32 across 14 hospitalsNH$32Washington: median $34 across 59 hospitalsWA$34Idaho: median $42 across 13 hospitalsID$42Montana: median $29 across 14 hospitalsMT$29North Dakota: median $31 across 30 hospitalsND$31Minnesota: median $24 across 86 hospitalsMN$24Illinois: median $40 across 107 hospitalsIL$40Wisconsin: median $36 across 98 hospitalsWI$36Michigan: median $28 across 81 hospitalsMI$28New York: median $19 across 82 hospitalsNY$19Massachusetts: median $25 across 39 hospitalsMA$25Oregon: median $29 across 44 hospitalsOR$29Nevada: median $27 across 15 hospitalsNV$27Wyoming: 8 hospitals filed a usable price — fewer than 10, so no figureWYSouth Dakota: median $66 across 38 hospitalsSD$66Iowa: median $39 across 63 hospitalsIA$39Indiana: median $25 across 79 hospitalsIN$25Ohio: median $28 across 109 hospitalsOH$28Pennsylvania: median $24 across 107 hospitalsPA$24New Jersey: median $6 across 49 hospitalsNJ$6Connecticut: median $19 across 13 hospitalsCT$19Rhode Island: 8 hospitals filed a usable price — fewer than 10, so no figureRICalifornia: median $50 across 135 hospitalsCA$50Utah: median $102 across 38 hospitalsUT$102Colorado: median $53 across 57 hospitalsCO$53Nebraska: median $60 across 61 hospitalsNE$60Missouri: median $30 across 62 hospitalsMO$30Kentucky: median $20 across 35 hospitalsKY$20West Virginia: median $31 across 25 hospitalsWV$31Virginia: median $40 across 62 hospitalsVA$40Maryland: median $50 across 33 hospitalsMD$50Delaware: 6 hospitals filed a usable price — fewer than 10, so no figureDEArizona: median $11 across 32 hospitalsAZ$11New Mexico: median $20 across 14 hospitalsNM$20Kansas: median $32 across 64 hospitalsKS$32Arkansas: median $7 across 32 hospitalsAR$7Tennessee: median $17 across 39 hospitalsTN$17North Carolina: median $35 across 61 hospitalsNC$35South Carolina: median $26 across 42 hospitalsSC$26Oklahoma: median $21 across 61 hospitalsOK$21Louisiana: median $12 across 37 hospitalsLA$12Mississippi: median $21 across 42 hospitalsMS$21Alabama: median $20 across 28 hospitalsAL$20Georgia: median $27 across 81 hospitalsGA$27Hawaii: median $25 across 12 hospitalsHI$25Texas: median $52 across 193 hospitalsTX$52Florida: median $53 across 135 hospitalsFL$53
Cash price by state, most expensive first. National median $32. A state needs at least 10 hospitals with a usable price to show a figure.
StateHospitalsMedianvs national20th–80th
Utah UT38$102+214%$36 – $120
South Dakota SD38$66+103%$33 – $167
Nebraska NE61$60+84%$24 – $95
Alaska AK14$57+75%$45 – $126
Florida FL135$53+64%$24 – $118
Colorado CO57$53+63%$31 – $110
Texas TX193$52+61%$23 – $99
Maryland MD33$50+54%$40 – $65
California CA135$50+53%$19 – $111
Idaho ID13$42+30%$24 – $100
Illinois IL107$40+22%$22 – $58
Virginia VA62$40+22%$25 – $64
Iowa IA63$39+19%$19 – $49
Wisconsin WI98$36+10%$23 – $55
North Carolina NC61$35+9%$11 – $39
Washington WA59$34+6%$23 – $63
New Hampshire NH14$320%$26 – $42
Kansas KS64$320%$20 – $49
North Dakota ND30$31−4%$9 – $41
West Virginia WV25$31−4%$15 – $45
Missouri MO62$30−8%$17 – $42
Montana MT14$29−9%$24 – $53
Oregon OR44$29−10%$22 – $40
Michigan MI81$28−14%$18 – $42
Ohio OH109$28−15%$22 – $46
Georgia GA81$27−17%$16 – $58
Nevada NV15$27−18%$10 – $37
South Carolina SC42$26−20%$23 – $76
Massachusetts MA39$25−23%$13 – $66
Hawaii HI12$25−24%$5 – $89
Indiana IN79$25−24%$11 – $49
Pennsylvania PA107$24−24%$8 – $68
Minnesota MN86$24−25%$13 – $40
Mississippi MS42$21−35%$11 – $36
Oklahoma OK61$21−36%$14 – $46
New Mexico NM14$20−37%$15 – $27
Kentucky KY35$20−37%$14 – $65
Alabama AL28$20−40%$13 – $77
Connecticut CT13$19−41%$15 – $29
New York NY82$19−42%$8 – $50
Tennessee TN39$17−48%$13 – $36
Maine ME17$13−61%$9 – $34
Louisiana LA37$12−62%$8 – $27
Arizona AZ32$11−65%$7 – $16
Arkansas AR32$7−78%$6 – $26
New Jersey NJ49$6−82%$5 – $42
Vermont VT9not enough hospitals filed a usable price
Rhode Island RI8not enough hospitals filed a usable price
Wyoming WY8not enough hospitals filed a usable price
Delaware DE6not 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 $32.

Cash price by hospital segment. A segment needs at least 20 hospitals to show a figure.
SegmentHospitalsMedian20th–80th
Hospital type
Acute care1,916$31$14 – $65
Children’s42$36$17 – $81
Critical access617$36$20 – $58
Ownership
For-profit354$40$16 – $135
Government386$32$16 – $62
Non-profit1,835$31$15 – $58
System affiliation
Part of a system2,203$33$15 – $65
Independent380$32$16 – $58

Cash price vs list price

Median list price (chargemaster)$54
Median cash price$32
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

1,817 hospitals filed a usable inpatient cash price for this code. The median is $33 and the average of the middle 60% is $35; most fall between $16 and $63.

Cash price percentiles, inpatient, across 1,817 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
$11$20$33$56$93

The most expensive tenth of hospitals charges at least 8.2× what the cheapest tenth charges ($11 vs $93).

Of the 2,011 hospitals that filed this code inpatient, 1,817 gave a usable cash price; 108 carried a plausibility flag, 0 filed a number their own filing marks as not a price, 0 gave an estimate, and 86 a list price only.

How complete is this

2,583 of the 3,956 hospitals with a price file in our corpus (65%) filed a usable outpatient cash price for this code, and those are the hospitals every figure on this page is computed from.

What the 2,814 hospitals that filed this code at all gave us
Usable cash price — counted2,583
Cash price carrying a plausibility flag — shown on the compare tool, excluded here141
A number the filing itself marks as not a price (a placeholder, a ratio) — excluded0
An estimate rather than a filed cash price — excluded0
A list price only, no cash figure — excluded90
Hospitals that filed this code2,814

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 Serologic Agglut M2, Ec.

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, “Identifying a cultured organism by antibody clumping test (CPT 87147) — cash price report,” computed September 25, 2026. https://hospitalrates.com/procedures/cpt-87147-identifying-a-cultured-organism-by-antibody-clumping-test