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Urea Nitrogen Clearance Test

Washington 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?

$6.76

Typical negotiated rate. In Washington, October 2026.

Insurers have agreed to pay about $6.76 for this service. The price depends on where it is billed: about $6.46 from a physician practice, and about $10.72 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 9 insurance carriers under federal price transparency rules.

Prices by location type

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$6.46$4.57 to $6.92
FacilityA hospital or hospital-owned outpatient department$10.72$7.94 to $14.45

How much rates vary

Facilitymedian $11 · 10th to 90th $7 to $20Professionalmedian $6 · 10th to 90th $3 to $9
$5$10$20facility $11professional $6

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
$6.76
Median
$6.76
Typical High
$22.39
Aetna
Setting
Professional
Modifier
None
Typical Low
$6.76
Median
$6.76
Typical High
$7.94
Asuris Northwest Health
Setting
Facility
Modifier
None
Typical Low
$5.37
Median
$8.32
Typical High
$19.95
Asuris Northwest Health
Setting
Professional
Modifier
None
Typical Low
$5.37
Median
$6.46
Typical High
$7.24
Cigna
Setting
Facility
Modifier
None
Typical Low
$7.41
Median
$12.02
Typical High
$18.62
Cigna
Setting
Professional
Modifier
None
Typical Low
$4.17
Median
$7.59
Typical High
$10.23
Molina
Setting
Professional
Modifier
None
Typical Low
$4.57
Median
$6.31
Typical High
$6.31
Pacific Source
Setting
Facility
Modifier
None
Typical Low
$7.24
Median
$8.71
Typical High
$14.79
Premera BCBS
Setting
Facility
Modifier
None
Typical Low
$7.24
Median
$12.59
Typical High
$19.95
Premera BCBS
Setting
Professional
Modifier
None
Typical Low
$6.46
Median
$6.46
Typical High
$8.71
Regence BlueShield
Setting
Facility
Modifier
None
Typical Low
$7.24
Median
$11.22
Typical High
$19.95
Regence BlueShield
Setting
Professional
Modifier
None
Typical Low
$5.37
Median
$6.46
Typical High
$7.24
United
Setting
Facility
Modifier
None
Typical Low
$7.24
Median
$8.71
Typical High
$8.71
United
Setting
Professional
Modifier
None
Typical Low
$3.02
Median
$3.24
Typical High
$8.13
Wellpoint
Setting
Professional
Modifier
None
Typical Low
$3.24
Median
$7.24
Typical High
$12.88
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
$3.39
Median
$3.39
Typical High
$3.98
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$1.35
Median
$1.35
Typical High
$1.58

Where Washington 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.

Washington· 31st of 51

$6.76

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.