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Clotting-regulation Protein Blood Test

Connecticut rates for HCPCS 85303

This is a blood test that checks one of the body's natural proteins that help keep blood clotting in balance. It's typically ordered as part of a work-up for someone who has had an unexplained or recurrent blood clot, to see whether a deficiency in this protein might be contributing. It's usually run alongside related tests looking at other clot-regulating proteins.

Rates data updated October 2026.

How much does Clotting-regulation Protein Blood Test cost?

$13.49

Typical negotiated rate. In Connecticut, October 2026.

Insurers have agreed to pay about $13.49 for this service. The price depends on where it is billed: about $9.55 from a physician practice, and about $19.50 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$9.55$7.08 to $15.14
FacilityA hospital or hospital-owned outpatient department$19.50$16.22 to $28.84

How much rates vary

Facilitymedian $19 · 10th to 90th $14 to $36Professionalmedian $10 · 10th to 90th $7 to $19
$10$20$50facility $19professional $10

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
Professional
Modifier
None
Typical Low
$7.41
Median
$12.59
Typical High
$16.60
Anthem BCBS
Setting
Facility
Modifier
None
Typical Low
$14.13
Median
$19.05
Typical High
$33.88
Anthem BCBS
Setting
Professional
Modifier
None
Typical Low
$6.76
Median
$8.32
Typical High
$19.50
Cigna
Setting
Facility
Modifier
None
Typical Low
$9.12
Median
$21.88
Typical High
$50.12
Cigna
Setting
Professional
Modifier
None
Typical Low
$9.12
Median
$14.45
Typical High
$22.39
ConnectiCare
Setting
Professional
Modifier
None
Typical Low
$8.13
Median
$10.96
Typical High
$20.42
Health New England
Setting
Facility
Modifier
None
Typical Low
$74.13
Median
$74.13
Typical High
$74.13
United
Setting
Professional
Modifier
None
Typical Low
$6.92
Median
$12.02
Typical High
$24.55
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
$5.62
Median
$6.31
Typical High
$6.31
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$2.24
Median
$2.51
Typical High
$2.51

Where Connecticut sits

The same service costs 28.8 times more in Vermont than in Alabama. 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· 29th of 51

$13.49

VT $174AL $6.03

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.