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Procedure price report · Pathology

Doctor's reading of flow cytometry, 9 to 15 markers

CPT 88188the billing code this page is about

Physician interpretation and report of flow cytometry results when nine to fifteen cell markers were tested.

Hospitals typically charge $141 cash for this outpatient procedure — the median across 1,115 hospitals that filed a usable cash price; the average of the middle 60% is $150. Most fall between $61 and $282 (20th–80th percentile).

Hospitals
1,115
States
50
Filings dated
Dec 2023 – 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 1,115 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
$43$72$141$261$463

The most expensive tenth of hospitals charges at least 11× what the cheapest tenth charges ($43 vs $463).

How the prices are spread

$30 – $41: 48 hospitals$30$41 – $56: 89 hospitals$56 – $77: 119 hospitals$56$77 – $105: 110 hospitals$105 – $143: 158 hospitals$105$143 – $196: 146 hospitals$196 – $268: 147 hospitals$196$268 – $366: 86 hospitals$366 – $500: 66 hospitals$366$500 – $683: 39 hospitals$500median $141price bands are equal on a log scale
Hospitals per price band (1,008 of 1,115 — the bands cover the 5th to 95th percentile)
FromToHospitals
$30$4148
$41$5689
$56$77119
$77$105110
$105$143158
$143$196146
$196$268147
$268$36686
$366$50066
$500$68339

By state

The median cash price in each state, against the national median of $141.

Alaska: 5 hospitals filed a usable price — fewer than 10, so no figureAKMaine: 3 hospitals filed a usable price — fewer than 10, so no figureMEVermont: 7 hospitals filed a usable price — fewer than 10, so no figureVTNew Hampshire: 6 hospitals filed a usable price — fewer than 10, so no figureNHWashington: median $108 across 33 hospitalsWA$108Idaho: 4 hospitals filed a usable price — fewer than 10, so no figureIDMontana: 8 hospitals filed a usable price — fewer than 10, so no figureMTNorth Dakota: median $140 across 11 hospitalsND$140Minnesota: median $195 across 51 hospitalsMN$195Illinois: median $155 across 46 hospitalsIL$155Wisconsin: median $349 across 47 hospitalsWI$349Michigan: median $82 across 41 hospitalsMI$82New York: median $151 across 47 hospitalsNY$151Massachusetts: median $270 across 15 hospitalsMA$270Oregon: median $182 across 27 hospitalsOR$182Nevada: 3 hospitals filed a usable price — fewer than 10, so no figureNVWyoming: 2 hospitals filed a usable price — fewer than 10, so no figureWYSouth Dakota: 3 hospitals filed a usable price — fewer than 10, so no figureSDIowa: median $155 across 29 hospitalsIA$155Indiana: median $72 across 28 hospitalsIN$72Ohio: median $166 across 42 hospitalsOH$166Pennsylvania: median $170 across 65 hospitalsPA$170New Jersey: median $267 across 20 hospitalsNJ$267Connecticut: 1 hospital filed a usable price — fewer than 10, so no figureCTRhode Island: 7 hospitals filed a usable price — fewer than 10, so no figureRICalifornia: median $141 across 69 hospitalsCA$141Utah: 7 hospitals filed a usable price — fewer than 10, so no figureUTColorado: median $162 across 34 hospitalsCO$162Nebraska: median $248 across 15 hospitalsNE$248Missouri: median $117 across 31 hospitalsMO$117Kentucky: median $103 across 12 hospitalsKY$103West Virginia: median $105 across 20 hospitalsWV$105Virginia: median $253 across 22 hospitalsVA$253Maryland: median $121 across 10 hospitalsMD$121Delaware: 4 hospitals filed a usable price — fewer than 10, so no figureDEArizona: median $320 across 20 hospitalsAZ$320New Mexico: 7 hospitals filed a usable price — fewer than 10, so no figureNMKansas: median $211 across 22 hospitalsKS$211Arkansas: median $105 across 18 hospitalsAR$105Tennessee: median $118 across 18 hospitalsTN$118North Carolina: median $106 across 15 hospitalsNC$106South Carolina: median $98 across 17 hospitalsSC$98Oklahoma: median $83 across 32 hospitalsOK$83Louisiana: median $147 across 16 hospitalsLA$147Mississippi: 5 hospitals filed a usable price — fewer than 10, so no figureMSAlabama: median $110 across 14 hospitalsAL$110Georgia: median $195 across 16 hospitalsGA$195Hawaii: 2 hospitals filed a usable price — fewer than 10, so no figureHITexas: median $61 across 89 hospitalsTX$61Florida: median $82 across 49 hospitalsFL$82
Cash price by state, most expensive first. National median $141. A state needs at least 10 hospitals with a usable price to show a figure.
StateHospitalsMedianvs national20th–80th
Wisconsin WI47$349+148%$210 – $455
Arizona AZ20$320+127%$141 – $495
Massachusetts MA15$270+92%$112 – $693
New Jersey NJ20$267+89%$29 – $543
Virginia VA22$253+79%$180 – $400
Nebraska NE15$248+76%$127 – $278
Kansas KS22$211+49%$91 – $300
Minnesota MN51$195+39%$128 – $392
Georgia GA16$195+38%$94 – $249
Oregon OR27$182+29%$170 – $232
Pennsylvania PA65$170+21%$49 – $575
Ohio OH42$166+18%$94 – $1,266
Colorado CO34$162+15%$49 – $269
Iowa IA29$155+10%$105 – $190
Illinois IL46$155+10%$85 – $248
New York NY47$151+7%$43 – $273
Louisiana LA16$147+4%$122 – $261
California CA69$1410%$54 – $261
North Dakota ND11$140−1%$125 – $177
Maryland MD10$121−14%$28 – $313
Tennessee TN18$118−16%$76 – $138
Missouri MO31$117−17%$54 – $278
Alabama AL14$110−22%$52 – $300
Washington WA33$108−23%$60 – $223
North Carolina NC15$106−25%$35 – $216
Arkansas AR18$105−25%$67 – $154
West Virginia WV20$105−26%$66 – $193
Kentucky KY12$103−27%$61 – $178
South Carolina SC17$98−30%$98 – $104
Oklahoma OK32$83−41%$58 – $206
Florida FL49$82−42%$23 – $198
Michigan MI41$82−42%$71 – $112
Indiana IN28$72−49%$31 – $149
Texas TX89$61−57%$54 – $175
Montana MT8not enough hospitals filed a usable price
New Mexico NM7not enough hospitals filed a usable price
Rhode Island RI7not enough hospitals filed a usable price
Utah UT7not enough hospitals filed a usable price
Vermont VT7not enough hospitals filed a usable price
New Hampshire NH6not enough hospitals filed a usable price
Alaska AK5not enough hospitals filed a usable price
Mississippi MS5not enough hospitals filed a usable price
Delaware DE4not enough hospitals filed a usable price
Idaho ID4not enough hospitals filed a usable price
Maine ME3not enough hospitals filed a usable price
Nevada NV3not enough hospitals filed a usable price
South Dakota SD3not enough hospitals filed a usable price
Hawaii HI2not enough hospitals filed a usable price
Wyoming WY2not enough hospitals filed a usable price
Connecticut CT1not 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 $141.

Cash price by hospital segment. A segment needs at least 20 hospitals to show a figure.
SegmentHospitalsMedian20th–80th
Hospital type
Acute care810$133$57 – $278
Children’s29$90$44 – $248
Critical access270$170$76 – $300
Ownership
For-profit98$121$54 – $276
Government159$122$61 – $261
Non-profit852$147$62 – $288
System affiliation
Part of a system920$141$61 – $288
Independent195$121$61 – $261

Cash price vs list price

Median list price (chargemaster)$225
Median cash price$141
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

775 hospitals filed a usable inpatient cash price for this code. The median is $141 and the average of the middle 60% is $154; most fall between $61 and $304.

Cash price percentiles, inpatient, across 775 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
$48$73$141$261$485

The most expensive tenth of hospitals charges at least 10× what the cheapest tenth charges ($48 vs $485).

Of the 839 hospitals that filed this code inpatient, 775 gave a usable cash price; 30 carried a plausibility flag, 1 filed a number their own filing marks as not a price, 0 gave an estimate, and 33 a list price only.

How complete is this

1,115 of the 3,956 hospitals with a price file in our corpus (28%) filed a usable outpatient cash price for this code, and those are the hospitals every figure on this page is computed from.

What the 1,205 hospitals that filed this code at all gave us
Usable cash price — counted1,115
Cash price carrying a plausibility flag — shown on the compare tool, excluded here21
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 — excluded68
Hospitals that filed this code1,205

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 Flow Cytometry Interpj 9-15 Markers.

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, “Doctor's reading of flow cytometry, 9 to 15 markers (CPT 88188) — cash price report,” computed September 25, 2026. https://hospitalrates.com/procedures/cpt-88188-doctor-s-reading-of-flow-cytometry-9-to-15-markers