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Urea Nitrogen Clearance Test

Maryland 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?

$5.37

Typical negotiated rate. In Maryland, October 2026.

Insurers have agreed to pay about $5.37 for this service. Most negotiated rates run $4.57 to $5.75.

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.

How much rates vary

Facilitymedian $5 · 10th to 90th $4 to $9Professionalmedian $5 · 10th to 90th $4 to $7
$2$5$10facility $5professional $5

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

Rates by insurance carrier

Insurance Carrier
Aetna
Setting
Professional
Modifier
None
Typical Low
$5.37
Median
$5.37
Typical High
$5.62
CareFirst
Setting
Professional
Modifier
None
Typical Low
$5.13
Median
$5.75
Typical High
$6.46
Cigna
Setting
Facility
Modifier
None
Typical Low
$3.80
Median
$4.68
Typical High
$9.33
Cigna
Setting
Professional
Modifier
None
Typical Low
$3.80
Median
$7.08
Typical High
$17.78
Kaiser Permanente
Setting
Professional
Modifier
None
Typical Low
$7.24
Median
$8.32
Typical High
$10.72
United
Setting
Professional
Modifier
None
Typical Low
$3.02
Median
$4.07
Typical High
$5.50
Wellpoint
Setting
Professional
Modifier
None
Typical Low
$2.82
Median
$6.46
Typical High
$6.46
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
$2.69
Median
$2.69
Typical High
$2.69
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$1.07
Median
$1.07
Typical High
$1.07

Where Maryland 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.

Maryland· 46th of 51

$5.37

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.