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Procedure price report · Laboratory - Chemistry and Hematology

Carbon monoxide blood test, positive or negative only

CPT 82376the billing code this page is about

A blood test that checks whether carbon monoxide bound to hemoglobin is present, without reporting a numeric level.

Hospitals typically charge $34 cash for this outpatient procedure — the median across 233 hospitals that filed a usable cash price; the average of the middle 60% is $40. Most fall between $14 and $72 (20th–80th percentile).

Hospitals
233
States
36
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 233 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
$13$15$34$68$103

The most expensive tenth of hospitals charges at least 7.7× what the cheapest tenth charges ($13 vs $103).

How the prices are spread

$9 – $12: 13 hospitals$9$12 – $16: 49 hospitals$16 – $22: 16 hospitals$16$22 – $29: 18 hospitals$29 – $38: 16 hospitals$29$38 – $51: 4 hospitals$51 – $68: 58 hospitals$51$68 – $90: 21 hospitals$90 – $120: 10 hospitals$90$120 – $160: 14 hospitals$120median $34price bands are equal on a log scale
Hospitals per price band (219 of 233 — the bands cover the 5th to 95th percentile)
FromToHospitals
$9$1213
$12$1649
$16$2216
$22$2918
$29$3816
$38$514
$51$6858
$68$9021
$90$12010
$120$16014

By state

The median cash price in each state, against the national median of $34.

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: 1 hospital filed a usable price — fewer than 10, so no figureWAIdaho: 2 hospitals filed a usable price — fewer than 10, so no figureIDMontana: 3 hospitals filed a usable price — fewer than 10, so no figureMTNorth Dakota: no hospital in the corpus filed a usable priceNDMinnesota: no hospital in the corpus filed a usable priceMNIllinois: median $25 across 12 hospitalsIL$25Wisconsin: no hospital in the corpus filed a usable priceWIMichigan: 9 hospitals filed a usable price — fewer than 10, so no figureMINew York: median $14 across 16 hospitalsNY$14Massachusetts: no hospital in the corpus filed a usable priceMAOregon: no hospital in the corpus filed a usable priceORNevada: 1 hospital filed a usable price — fewer than 10, so no figureNVWyoming: 1 hospital filed a usable price — fewer than 10, so no figureWYSouth Dakota: no hospital in the corpus filed a usable priceSDIowa: median $64 across 13 hospitalsIA$64Indiana: 4 hospitals filed a usable price — fewer than 10, so no figureINOhio: 3 hospitals filed a usable price — fewer than 10, so no figureOHPennsylvania: median $11 across 17 hospitalsPA$11New Jersey: median $15 across 22 hospitalsNJ$15Connecticut: 1 hospital filed a usable price — fewer than 10, so no figureCTRhode Island: no hospital in the corpus filed a usable priceRICalifornia: median $62 across 33 hospitalsCA$62Utah: 4 hospitals filed a usable price — fewer than 10, so no figureUTColorado: no hospital in the corpus filed a usable priceCONebraska: 2 hospitals filed a usable price — fewer than 10, so no figureNEMissouri: 2 hospitals filed a usable price — fewer than 10, so no figureMOKentucky: median $160 across 10 hospitalsKY$160West Virginia: no hospital in the corpus filed a usable priceWVVirginia: no hospital in the corpus filed a usable priceVAMaryland: 2 hospitals filed a usable price — fewer than 10, so no figureMDDelaware: 1 hospital filed a usable price — fewer than 10, so no figureDEArizona: 2 hospitals filed a usable price — fewer than 10, so no figureAZNew Mexico: 1 hospital filed a usable price — fewer than 10, so no figureNMKansas: 4 hospitals filed a usable price — fewer than 10, so no figureKSArkansas: 3 hospitals filed a usable price — fewer than 10, so no figureARTennessee: 3 hospitals filed a usable price — fewer than 10, so no figureTNNorth Carolina: 2 hospitals filed a usable price — fewer than 10, so no figureNCSouth Carolina: 7 hospitals filed a usable price — fewer than 10, so no figureSCOklahoma: median $25 across 12 hospitalsOK$25Louisiana: 6 hospitals filed a usable price — fewer than 10, so no figureLAMississippi: no hospital in the corpus filed a usable priceMSAlabama: 3 hospitals filed a usable price — fewer than 10, so no figureALGeorgia: 1 hospital filed a usable price — fewer than 10, so no figureGAHawaii: 3 hospitals filed a usable price — fewer than 10, so no figureHITexas: median $68 across 15 hospitalsTX$68Florida: median $103 across 11 hospitalsFL$103
Cash price by state, most expensive first. National median $34. A state needs at least 10 hospitals with a usable price to show a figure.
StateHospitalsMedianvs national20th–80th
Kentucky KY10$160+363%$29 – $160
Florida FL11$103+200%$103 – $103
Texas TX15$68+97%$68 – $68
Iowa IA13$64+87%$64 – $64
California CA33$62+79%$62 – $80
Illinois IL12$25−27%$8 – $54
Oklahoma OK12$25−27%$25 – $25
New Jersey NJ22$15−55%$14 – $15
New York NY16$14−59%$14 – $17
Pennsylvania PA17$11−67%$9 – $16
Michigan MI9not enough hospitals filed a usable price
South Carolina SC7not enough hospitals filed a usable price
Louisiana LA6not enough hospitals filed a usable price
Indiana IN4not enough hospitals filed a usable price
Kansas KS4not enough hospitals filed a usable price
Utah UT4not enough hospitals filed a usable price
Alabama AL3not enough hospitals filed a usable price
Arkansas AR3not enough hospitals filed a usable price
Hawaii HI3not enough hospitals filed a usable price
Montana MT3not enough hospitals filed a usable price
Ohio OH3not enough hospitals filed a usable price
Tennessee TN3not enough hospitals filed a usable price
Arizona AZ2not enough hospitals filed a usable price
Idaho ID2not enough hospitals filed a usable price
Maryland MD2not enough hospitals filed a usable price
Missouri MO2not enough hospitals filed a usable price
North Carolina NC2not enough hospitals filed a usable price
Nebraska NE2not enough hospitals filed a usable price
Connecticut CT1not enough hospitals filed a usable price
Delaware DE1not enough hospitals filed a usable price
Georgia GA1not enough hospitals filed a usable price
New Hampshire NH1not enough hospitals filed a usable price
New Mexico NM1not enough hospitals filed a usable price
Nevada NV1not enough hospitals filed a usable price
Washington WA1not enough hospitals filed a usable price
Wyoming WY1not 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 $34.

Cash price by hospital segment. A segment needs at least 20 hospitals to show a figure.
SegmentHospitalsMedian20th–80th
Hospital type
Acute care208$30$14 – $68
Children’s1fewer than 20 hospitals
Critical access24$64$39 – $88
Ownership
For-profit24$21$11 – $133
Government25$23$14 – $54
Non-profit184$46$15 – $72
System affiliation
Part of a system197$36$14 – $79
Independent36$29$16 – $56

Cash price vs list price

Median list price (chargemaster)$80
Median cash price$34
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

147 hospitals filed a usable inpatient cash price for this code. The median is $62 and the average of the middle 60% is $52; most fall between $25 and $72.

Cash price percentiles, inpatient, across 147 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
$17$29$62$68$88

The most expensive tenth of hospitals charges at least 5.2× what the cheapest tenth charges ($17 vs $88).

Of the 159 hospitals that filed this code inpatient, 147 gave a usable cash price; 8 carried a plausibility flag, 0 filed a number their own filing marks as not a price, 0 gave an estimate, and 4 a list price only.

How complete is this

233 of the 3,956 hospitals with a price file in our corpus (6%) filed a usable outpatient cash price for this code, and those are the hospitals every figure on this page is computed from.

What the 247 hospitals that filed this code at all gave us
Usable cash price — counted233
Cash price carrying a plausibility flag — shown on the compare tool, excluded here10
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 — excluded3
Hospitals that filed this code247

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 5, 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 Laboratory - Chemistry and Hematology family.

Hospitals file this code under descriptions such as ASSAY CARBOXYHB QUAL.

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, “Carbon monoxide blood test, positive or negative only (CPT 82376) — cash price report,” computed September 25, 2026. https://hospitalrates.com/procedures/cpt-82376-carbon-monoxide-blood-test-positive-or-negative-only