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Protein S Level Test

Connecticut 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?

$10.47

Typical negotiated rate. In Connecticut, July 2026.

Insurers have agreed to pay about $10.47 for this service. The price depends on where it is billed: about $10.47 from a physician practice, and about $20.42 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 5 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$10.47$10.23 to $10.47
FacilityA hospital or hospital-owned outpatient department$20.42$15.14 to $25.70

How much rates vary

Facilitymedian $20 · 10th to 90th $11 to $35Professionalmedian $10 · 10th to 90th $8 to $13
$10$20$50$100$200facility $20professional $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
$11.48
Median
$20.89
Typical High
$36.31
Aetna
Setting
Professional
Modifier
Global
Typical Low
$9.12
Median
$10.47
Typical High
$12.30
Anthem BCBS
Setting
Facility
Modifier
Global
Typical Low
$12.59
Median
$18.20
Typical High
$31.62
Anthem BCBS
Setting
Professional
Modifier
Global
Typical Low
$5.75
Median
$7.08
Typical High
$17.78
Cigna
Setting
Facility
Modifier
Global
Typical Low
$7.94
Median
$18.62
Typical High
$46.77
Cigna
Setting
Professional
Modifier
Global
Typical Low
$7.59
Median
$13.18
Typical High
$18.20
ConnectiCare
Setting
Professional
Modifier
Global
Typical Low
$5.50
Median
$11.48
Typical High
$17.38
United
Setting
Facility
Modifier
Global
Typical Low
$11.48
Median
$11.48
Typical High
$11.48
United
Setting
Professional
Modifier
Global
Typical Low
$5.75
Median
$11.48
Typical High
$20.42

Where Connecticut 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.

Connecticut· 48th of 51

$10.47

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.