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Urea Nitrogen Clearance Test

Illinois 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?

$6.17

Typical negotiated rate. In Illinois, October 2026.

Insurers have agreed to pay about $6.17 for this service. The price depends on where it is billed: about $5.50 from a physician practice, and about $13.49 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 6 insurance carriers under federal price transparency rules.

Prices by location type

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$5.50$5.50 to $7.76
FacilityA hospital or hospital-owned outpatient department$13.49$9.12 to $21.88

How much rates vary

Facilitymedian $13 · 10th to 90th $8 to $36Professionalmedian $5 · 10th to 90th $4 to $13
$5$10$20$50$100facility $13professional $5

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
$5.89
Median
$11.22
Typical High
$21.88
Aetna
Setting
Professional
Modifier
None
Typical Low
$5.50
Median
$5.89
Typical High
$7.24
BCBS Illinois
Setting
Facility
Modifier
None
Typical Low
$8.51
Median
$11.48
Typical High
$72.44
BCBS Illinois
Setting
Professional
Modifier
None
Typical Low
$5.01
Median
$5.50
Typical High
$5.50
Cigna
Setting
Facility
Modifier
None
Typical Low
$8.13
Median
$15.49
Typical High
$30.20
Cigna
Setting
Professional
Modifier
None
Typical Low
$3.72
Median
$8.32
Typical High
$13.18
Hally Health
Setting
Professional
Modifier
None
Typical Low
$7.59
Median
$11.22
Typical High
$64.57
Hally Health
Setting
Facility
Modifier
None
Typical Low
$100.00
Median
$100.00
Typical High
$100.00
Hally Health
Setting
Professional
Modifier
None
Typical Low
$9.33
Median
$9.33
Typical High
$9.33
Molina
Setting
Professional
Modifier
None
Typical Low
$5.01
Median
$5.01
Typical High
$8.91
United
Setting
Facility
Modifier
None
Typical Low
$7.24
Median
$8.71
Typical High
$8.91
United
Setting
Professional
Modifier
None
Typical Low
$3.02
Median
$4.57
Typical High
$7.76
4 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
Facility
Modifier
52 · Reduced service
Typical Low
$2.95
Median
$5.25
Typical High
$10.96
Aetna
Setting
Facility
Modifier
53 · Discontinued
Typical Low
$1.17
Median
$2.09
Typical High
$4.37
Aetna
Setting
Professional
Modifier
52 · Reduced service
Typical Low
$2.95
Median
$2.95
Typical High
$3.63
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$1.17
Median
$1.17
Typical High
$1.45

Where Illinois 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.

Illinois· 32nd of 51

$6.17

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.