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Protein S Level Test

Maryland rates for HCPCS 85305

This blood test measures the total amount of a natural protein the body uses to help regulate blood clotting. It is used to help investigate an unexplained blood clot or a family history of clotting problems.

Rates data updated July 2026.

How much does Protein S Level Test cost?

$10.23

Typical negotiated rate. In Maryland, July 2026.

Insurers have agreed to pay about $10.23 for this service. The price depends on where it is billed: about $10.00 from a physician practice, and about $126 from a hospital or other facility. The two figures are alternatives, not parts of one bill.

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.

Where it's billed changes the price

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$10.00$8.51 to $10.96
FacilityA hospital or hospital-owned outpatient department$126$8.51 to $170

How much rates vary

Facilitymedian $126 · 10th to 90th $6 to $182Professionalmedian $10 · 10th to 90th $7 to $46
$5$10$20$50$100facility $126professional $10

Distribution of negotiated rates across all payers (price axis is log-scale). Each curve is scaled to its own total: facility and professional rates are different services, shown together to compare where they cluster. Need provider-level prices or 24+ months of history? Contact us.

Rates by insurance carrier

Insurance Carrier
Aetna
Setting
Facility
Modifier
Global
Typical Low
$6.31
Median
$125.89
Typical High
$181.97
Aetna
Setting
Professional
Modifier
Global
Typical Low
$7.59
Median
$10.00
Typical High
$45.71
CareFirst
Setting
Professional
Modifier
Global
Typical Low
$3.55
Median
$9.33
Typical High
$11.48
Cigna
Setting
Facility
Modifier
Global
Typical Low
$6.17
Median
$7.94
Typical High
$15.14
Cigna
Setting
Professional
Modifier
Global
Typical Low
$6.46
Median
$11.48
Typical High
$28.18
Kaiser Permanente
Setting
Professional
Modifier
Global
Typical Low
$11.48
Median
$13.80
Typical High
$22.39
United
Setting
Facility
Modifier
Global
Typical Low
$4.90
Median
$5.50
Typical High
$14.13
United
Setting
Professional
Modifier
Global
Typical Low
$5.25
Median
$6.92
Typical High
$14.79
Wellpoint
Setting
Professional
Modifier
Global
Typical Low
$4.57
Median
$7.94
Typical High
$17.38

Where Maryland sits

The same service costs 3.0 times more in Pennsylvania than in Tennessee. 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· 50th of 51

$10.23

PA $27.54TN $9.33

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.