go back

Urea Nitrogen Clearance Test

Arizona rates for HCPCS 84545

A test that compares the amount of urea nitrogen, a waste product left over from breaking down protein, in the blood and in urine collected over a set period. The comparison shows how effectively the kidneys are clearing that waste out of the blood.

Rates data updated October 2026.

How much does Urea Nitrogen Clearance Test cost?

$5.75

Typical negotiated rate. In Arizona, October 2026.

Insurers have agreed to pay about $5.75 for this service. The price depends on where it is billed: about $4.07 from a physician practice, and about $14.13 from a hospital or other facility.

These are rates insurers have negotiated with providers, not the amount a patient is billed. What you owe depends on your plan's deductible and coinsurance. Based on rates published by 5 insurance carriers under federal price transparency rules.

Prices by location type

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$4.07$3.80 to $4.79
FacilityA hospital or hospital-owned outpatient department$14.13$6.46 to $21.38

How much rates vary

Facilitymedian $14 · 10th to 90th $5 to $32Professionalmedian $4 · 10th to 90th $3 to $8
$5$10$20$50$100facility $14professional $4

Distribution of negotiated rates across all payers (price axis is log-scale). Need provider-level prices or 24+ months of history? Contact us.

Rates by insurance carrier

Insurance Carrier
Aetna
Setting
Facility
Modifier
None
Typical Low
$5.50
Median
$22.91
Typical High
$37.15
Aetna
Setting
Professional
Modifier
None
Typical Low
$4.79
Median
$4.79
Typical High
$6.03
BCBS Arizona
Setting
Facility
Modifier
None
Typical Low
$4.07
Median
$18.20
Typical High
$28.18
BCBS Arizona
Setting
Professional
Modifier
None
Typical Low
$3.80
Median
$6.03
Typical High
$8.71
Cigna
Setting
Facility
Modifier
None
Typical Low
$5.01
Median
$14.13
Typical High
$19.95
Cigna
Setting
Professional
Modifier
None
Typical Low
$4.47
Median
$6.61
Typical High
$10.96
Medica
Setting
Facility
Modifier
None
Typical Low
$5.25
Median
$7.24
Typical High
$100.00
Medica
Setting
Professional
Modifier
None
Typical Low
$3.02
Median
$3.89
Typical High
$4.57
United
Setting
Professional
Modifier
None
Typical Low
$3.02
Median
$3.89
Typical High
$9.12
2 more rates with less common billing modifiers

A modifier changes what was billed, for example a reduced or repeated service. Each of these modifiers carries under 10% of the published rates for this code. Modifier combinations, and modifiers with fewer than 30 rates for a carrier, are not listed.

Insurance Carrier
Aetna
Setting
Professional
Modifier
52 · Reduced service
Typical Low
$2.40
Median
$2.40
Typical High
$2.40
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$0.95
Median
$0.95
Typical High
$0.95

Where Arizona sits

The same service costs 4.1 times more in Kansas than in Kentucky. Every bar is a state, most expensive first. Touch or drag across it to read any state, then open that state for its carriers and full range.

Arizona· 40th of 51

$5.75

KS $20.89KY $5.13

Median negotiated rate in each state, from every insurer that publishes one. States where no insurer publishes a rate for this service are not shown.