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Procedure price report · Laboratory - Chemistry and Hematology

Urea nitrogen clearance test

CPT 84545the billing code this page is about

Compares urea nitrogen in blood and timed urine to estimate how well the kidneys clear this waste product. Covers one clearance calculation.

Hospitals typically charge $39 cash for this outpatient procedure — the median across 978 hospitals that filed a usable cash price; the average of the middle 60% is $42. Most fall between $16 and $85 (20th–80th percentile).

Hospitals
978
States
45
Filings dated
Aug 2022 – 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 978 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$19$39$76$116

The most expensive tenth of hospitals charges at least 13× what the cheapest tenth charges ($9 vs $116).

How the prices are spread

$7 – $10: 74 hospitals$7$10 – $14: 46 hospitals$14 – $19: 86 hospitals$14$19 – $27: 125 hospitals$27 – $37: 99 hospitals$27$37 – $51: 133 hospitals$51 – $71: 109 hospitals$51$71 – $99: 117 hospitals$99 – $137: 74 hospitals$99$137 – $190: 28 hospitals$137median $39price bands are equal on a log scale
Hospitals per price band (891 of 978 — the bands cover the 5th to 95th percentile)
FromToHospitals
$7$1074
$10$1446
$14$1986
$19$27125
$27$3799
$37$51133
$51$71109
$71$99117
$99$13774
$137$19028

By state

The median cash price in each state, against the national median of $39.

Alaska: no hospital in the corpus filed a usable priceAKMaine: 8 hospitals filed a usable price — fewer than 10, so no figureMEVermont: 1 hospital filed a usable price — fewer than 10, so no figureVTNew Hampshire: 2 hospitals filed a usable price — fewer than 10, so no figureNHWashington: median $22 across 32 hospitalsWA$22Idaho: median $32 across 10 hospitalsID$32Montana: no hospital in the corpus filed a usable priceMTNorth Dakota: no hospital in the corpus filed a usable priceNDMinnesota: 2 hospitals filed a usable price — fewer than 10, so no figureMNIllinois: median $65 across 36 hospitalsIL$65Wisconsin: median $73 across 33 hospitalsWI$73Michigan: median $17 across 27 hospitalsMI$17New York: median $18 across 43 hospitalsNY$18Massachusetts: median $32 across 14 hospitalsMA$32Oregon: median $46 across 10 hospitalsOR$46Nevada: 5 hospitals filed a usable price — fewer than 10, so no figureNVWyoming: 1 hospital filed a usable price — fewer than 10, so no figureWYSouth Dakota: 3 hospitals filed a usable price — fewer than 10, so no figureSDIowa: median $34 across 18 hospitalsIA$34Indiana: median $29 across 49 hospitalsIN$29Ohio: median $32 across 70 hospitalsOH$32Pennsylvania: median $38 across 52 hospitalsPA$38New Jersey: median $8 across 26 hospitalsNJ$8Connecticut: no hospital in the corpus filed a usable priceCTRhode Island: 1 hospital filed a usable price — fewer than 10, so no figureRICalifornia: median $77 across 82 hospitalsCA$77Utah: median $39 across 23 hospitalsUT$39Colorado: median $150 across 13 hospitalsCO$150Nebraska: median $64 across 13 hospitalsNE$64Missouri: median $33 across 14 hospitalsMO$33Kentucky: median $23 across 21 hospitalsKY$23West Virginia: 3 hospitals filed a usable price — fewer than 10, so no figureWVVirginia: median $81 across 25 hospitalsVA$81Maryland: median $32 across 10 hospitalsMD$32Delaware: no hospital in the corpus filed a usable priceDEArizona: median $96 across 14 hospitalsAZ$96New Mexico: 3 hospitals filed a usable price — fewer than 10, so no figureNMKansas: 6 hospitals filed a usable price — fewer than 10, so no figureKSArkansas: 5 hospitals filed a usable price — fewer than 10, so no figureARTennessee: median $23 across 23 hospitalsTN$23North Carolina: median $49 across 27 hospitalsNC$49South Carolina: median $51 across 14 hospitalsSC$51Oklahoma: median $22 across 24 hospitalsOK$22Louisiana: median $17 across 11 hospitalsLA$17Mississippi: median $36 across 29 hospitalsMS$36Alabama: median $46 across 14 hospitalsAL$46Georgia: median $20 across 64 hospitalsGA$20Hawaii: 8 hospitals filed a usable price — fewer than 10, so no figureHITexas: median $20 across 64 hospitalsTX$20Florida: median $26 across 25 hospitalsFL$26
Cash price by state, most expensive first. National median $39. A state needs at least 10 hospitals with a usable price to show a figure.
StateHospitalsMedianvs national20th–80th
Colorado CO13$150+290%$40 – $627
Arizona AZ14$96+149%$37 – $96
Virginia VA25$81+109%$41 – $106
California CA82$77+100%$47 – $80
Wisconsin WI33$73+88%$28 – $92
Illinois IL36$65+69%$21 – $115
Nebraska NE13$64+65%$44 – $98
South Carolina SC14$51+32%$15 – $59
North Carolina NC27$49+28%$49 – $63
Alabama AL14$46+19%$27 – $76
Oregon OR10$46+18%$30 – $87
Utah UT23$390%$39 – $45
Pennsylvania PA52$380%$7 – $137
Mississippi MS29$36−6%$13 – $59
Iowa IA18$34−13%$31 – $34
Missouri MO14$33−14%$21 – $76
Idaho ID10$32−17%$29 – $55
Massachusetts MA14$32−17%$16 – $58
Ohio OH70$32−17%$17 – $57
Maryland MD10$32−18%$19 – $35
Indiana IN49$29−25%$9 – $111
Florida FL25$26−31%$20 – $492
Tennessee TN23$23−39%$11 – $34
Kentucky KY21$23−42%$16 – $108
Washington WA32$22−43%$13 – $45
Oklahoma OK24$22−44%$13 – $48
Texas TX64$20−48%$20 – $366
Georgia GA64$20−49%$18 – $72
New York NY43$18−55%$7 – $99
Louisiana LA11$17−55%$16 – $61
Michigan MI27$17−56%$10 – $21
New Jersey NJ26$8−79%$7 – $8
Hawaii HI8not enough hospitals filed a usable price
Maine ME8not enough hospitals filed a usable price
Kansas KS6not enough hospitals filed a usable price
Arkansas AR5not enough hospitals filed a usable price
Nevada NV5not enough hospitals filed a usable price
New Mexico NM3not enough hospitals filed a usable price
South Dakota SD3not enough hospitals filed a usable price
West Virginia WV3not enough hospitals filed a usable price
Minnesota MN2not enough hospitals filed a usable price
New Hampshire NH2not enough hospitals filed a usable price
Rhode Island RI1not enough hospitals filed a usable price
Vermont VT1not 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 $39.

Cash price by hospital segment. A segment needs at least 20 hospitals to show a figure.
SegmentHospitalsMedian20th–80th
Hospital type
Acute care794$38$16 – $86
Children’s20$55$32 – $64
Critical access161$44$20 – $80
Ownership
For-profit137$43$16 – $244
Government146$44$20 – $66
Non-profit692$38$16 – $80
System affiliation
Part of a system848$38$17 – $82
Independent130$42$14 – $86

Cash price vs list price

Median list price (chargemaster)$68
Median cash price$39
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

693 hospitals filed a usable inpatient cash price for this code. The median is $45 and the average of the middle 60% is $46; most fall between $20 and $88.

Cash price percentiles, inpatient, across 693 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
$16$20$45$80$116

The most expensive tenth of hospitals charges at least 7.4× what the cheapest tenth charges ($16 vs $116).

Of the 763 hospitals that filed this code inpatient, 693 gave a usable cash price; 26 carried a plausibility flag, 0 filed a number their own filing marks as not a price, 0 gave an estimate, and 44 a list price only.

How complete is this

978 of the 3,956 hospitals with a price file in our corpus (25%) filed a usable outpatient cash price for this code, and those are the hospitals every figure on this page is computed from.

What the 1,069 hospitals that filed this code at all gave us
Usable cash price — counted978
Cash price carrying a plausibility flag — shown on the compare tool, excluded here43
A number the filing itself marks as not a price (a placeholder, a ratio) — excluded3
An estimate rather than a filed cash price — excluded0
A list price only, no cash figure — excluded45
Hospitals that filed this code1,069

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 Laboratory - Chemistry and Hematology family.

Hospitals file this code under descriptions such as UREA-N CLEARANCE TEST.

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, “Urea nitrogen clearance test (CPT 84545) — cash price report,” computed September 25, 2026. https://hospitalrates.com/procedures/cpt-84545-urea-nitrogen-clearance-test