Procedure price report · Pathology
Manual gene probe test on tissue, each multi-probe set
CPT code CPT 88377the billing code this page is about
Measurement of gene or chromosome signals in a tissue sample using in situ hybridization read manually under the microscope; billed once for each multiple-probe (multiplex) stain performed.
Hospitals typically charge $354 cash for this outpatient procedure — the median across 2,476 hospitals that filed a usable cash price; the average of the middle 60% is $373. Most fall between $182 and $658 (20th–80th percentile).
- Hospitals
- 2,476
- States
- 50
- Filings dated
- Jan 2024 – 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
| 10th | 25th | Median | 75th | 90th |
|---|---|---|---|---|
| $122 | $203 | $354 | $580 | $888 |
The most expensive tenth of hospitals charges at least 7.3× what the cheapest tenth charges ($122 vs $888).
How the prices are spread
| From | To | Hospitals |
|---|---|---|
| $89 | $116 | 120 |
| $116 | $151 | 112 |
| $151 | $197 | 206 |
| $197 | $256 | 244 |
| $256 | $333 | 355 |
| $333 | $434 | 342 |
| $434 | $565 | 327 |
| $565 | $735 | 243 |
| $735 | $956 | 191 |
| $956 | $1,245 | 90 |
Against Medicare
The Medicare figure is the national unadjusted OPPS rate for this code — what Medicare itself pays a hospital before local wage adjustment. It is a benchmark, not a price anyone is charged.
By state
The median cash price in each state, against the national median of $354.
| State | Hospitals | Median | vs national | 20th–80th |
|---|---|---|---|---|
| South Dakota SD | 11 | $1,042 | +194% | $640 – $1,328 |
| Arizona AZ | 31 | $605 | +71% | $180 – $755 |
| New Hampshire NH | 14 | $572 | +62% | $371 – $1,226 |
| Massachusetts MA | 42 | $532 | +50% | $403 – $760 |
| Vermont VT | 10 | $528 | +49% | $395 – $871 |
| Illinois IL | 95 | $502 | +42% | $292 – $722 |
| Montana MT | 12 | $479 | +35% | $409 – $1,227 |
| Minnesota MN | 83 | $458 | +29% | $171 – $844 |
| Virginia VA | 65 | $441 | +25% | $106 – $650 |
| Ohio OH | 116 | $435 | +23% | $253 – $768 |
| Connecticut CT | 21 | $434 | +22% | $317 – $517 |
| Maine ME | 27 | $423 | +19% | $219 – $821 |
| Kentucky KY | 42 | $415 | +17% | $211 – $609 |
| Maryland MD | 39 | $414 | +17% | $180 – $739 |
| Oregon OR | 36 | $411 | +16% | $295 – $1,117 |
| Idaho ID | 19 | $397 | +12% | $308 – $801 |
| Missouri MO | 66 | $397 | +12% | $227 – $530 |
| Alaska AK | 11 | $382 | +8% | $336 – $858 |
| Kansas KS | 47 | $379 | +7% | $251 – $715 |
| Colorado CO | 50 | $376 | +6% | $329 – $573 |
| North Carolina NC | 72 | $376 | +6% | $284 – $730 |
| Nevada NV | 13 | $372 | +5% | $205 – $720 |
| Wisconsin WI | 97 | $358 | +1% | $256 – $677 |
| Utah UT | 37 | $354 | 0% | $301 – $579 |
| Georgia GA | 80 | $353 | 0% | $195 – $539 |
| New York NY | 82 | $344 | −3% | $203 – $687 |
| Washington WA | 55 | $339 | −4% | $209 – $510 |
| Pennsylvania PA | 99 | $337 | −5% | $181 – $637 |
| Arkansas AR | 25 | $332 | −6% | $137 – $385 |
| Oklahoma OK | 54 | $306 | −14% | $103 – $500 |
| Texas TX | 181 | $304 | −14% | $244 – $768 |
| South Carolina SC | 48 | $296 | −16% | $204 – $648 |
| Iowa IA | 46 | $292 | −17% | $208 – $564 |
| Florida FL | 137 | $291 | −18% | $123 – $652 |
| Nebraska NE | 34 | $283 | −20% | $166 – $645 |
| Alabama AL | 30 | $282 | −20% | $129 – $627 |
| Indiana IN | 79 | $278 | −22% | $177 – $599 |
| California CA | 92 | $278 | −22% | $143 – $888 |
| New Jersey NJ | 51 | $221 | −38% | $154 – $448 |
| Louisiana LA | 45 | $208 | −41% | $80 – $435 |
| West Virginia WV | 32 | $205 | −42% | $108 – $650 |
| Tennessee TN | 72 | $200 | −43% | $106 – $600 |
| New Mexico NM | 23 | $189 | −47% | $57 – $464 |
| Michigan MI | 60 | $176 | −50% | $124 – $366 |
| Hawaii HI | 18 | $153 | −57% | $92 – $677 |
| Mississippi MS | 44 | $153 | −57% | $94 – $345 |
| Rhode Island RI | 9 | not enough hospitals filed a usable price | ||
| Wyoming WY | 9 | not enough hospitals filed a usable price | ||
| North Dakota ND | 8 | not enough hospitals filed a usable price | ||
| Delaware DE | 7 | not 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 $354.
| Segment | Hospitals | Median | 20th–80th |
|---|---|---|---|
| Hospital type | |||
| Acute care | 1,940 | $339 | $173 – $640 |
| Children’s | 32 | $412 | $279 – $787 |
| Critical access | 495 | $392 | $225 – $722 |
| Ownership | |||
| For-profit | 369 | $393 | $192 – $821 |
| Government | 363 | $328 | $176 – $643 |
| Non-profit | 1,735 | $354 | $181 – $631 |
| System affiliation | |||
| Part of a system | 2,113 | $354 | $181 – $660 |
| Independent | 363 | $347 | $190 – $648 |
Cash price vs list price
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
1,745 hospitals filed a usable inpatient cash price for this code. The median is $354 and the average of the middle 60% is $374; most fall between $181 and $648.
| 10th | 25th | Median | 75th | 90th |
|---|---|---|---|---|
| $118 | $208 | $354 | $572 | $883 |
The most expensive tenth of hospitals charges at least 7.5× what the cheapest tenth charges ($118 vs $883).
Of the 1,919 hospitals that filed this code inpatient, 1,745 gave a usable cash price; 106 carried a plausibility flag, 0 filed a number their own filing marks as not a price, 0 gave an estimate, and 68 a list price only.
How complete is this
2,476 of the 3,956 hospitals with a price file in our corpus (63%) filed a usable outpatient cash price for this code, and those are the hospitals every figure on this page is computed from.
| Usable cash price — counted | 2,476 |
|---|---|
| Cash price carrying a plausibility flag — shown on the compare tool, excluded here | 139 |
| A number the filing itself marks as not a price (a placeholder, a ratio) — excluded | 0 |
| An estimate rather than a filed cash price — excluded | 1 |
| A list price only, no cash figure — excluded | 75 |
| Hospitals that filed this code | 2,691 |
Sections not shown for this setting
- 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 Pathology family.
Hospitals file this code under descriptions such as M/Phmtrc Alys Ish Quant/Semiq Mnl Each Multiprb|PROFESSIONAL COMPONENT
.
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, “Manual gene probe test on tissue, each multi-probe set (CPT 88377) — cash price report,” computed September 25, 2026. https://hospitalrates.com/procedures/cpt-88377-manual-gene-probe-test-on-tissue-each-multi-probe-set