go back

Clotting-regulation Protein Blood Test

Illinois 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?

$10.72

Typical negotiated rate. In Illinois, October 2026.

Insurers have agreed to pay about $10.72 for this service. The price depends on where it is billed: about $10.72 from a physician practice, and about $28.18 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 7 insurance carriers under federal price transparency rules.

Prices by location type

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$10.72$8.91 to $11.48
FacilityA hospital or hospital-owned outpatient department$28.18$18.62 to $42.66

How much rates vary

Facilitymedian $28 · 10th to 90th $14 to $74Professionalmedian $11 · 10th to 90th $3 to $19
$5$10$20$50$100$200facility $28professional $11

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
$12.02
Median
$19.95
Typical High
$41.69
Aetna
Setting
Professional
Modifier
None
Typical Low
$11.22
Median
$11.22
Typical High
$21.38
Ambetter
Setting
Professional
Modifier
None
Typical Low
$9.33
Median
$18.62
Typical High
$18.62
BCBS Illinois
Setting
Facility
Modifier
None
Typical Low
$17.38
Median
$29.51
Typical High
$144.54
BCBS Illinois
Setting
Professional
Modifier
None
Typical Low
$3.47
Median
$10.72
Typical High
$10.72
Cigna
Setting
Facility
Modifier
None
Typical Low
$15.49
Median
$32.36
Typical High
$57.54
Cigna
Setting
Professional
Modifier
None
Typical Low
$7.08
Median
$16.22
Typical High
$24.55
Hally Health
Setting
Professional
Modifier
None
Typical Low
$14.45
Median
$23.99
Typical High
$204.17
Hally Health
Setting
Facility
Modifier
None
Typical Low
$100.00
Median
$100.00
Typical High
$100.00
Hally Health
Setting
Professional
Modifier
None
Typical Low
$17.78
Median
$17.78
Typical High
$17.78
Molina
Setting
Professional
Modifier
None
Typical Low
$9.77
Median
$9.77
Typical High
$17.38
United
Setting
Facility
Modifier
None
Typical Low
$13.80
Median
$16.60
Typical High
$17.38
United
Setting
Professional
Modifier
None
Typical Low
$5.75
Median
$10.72
Typical High
$14.79
4 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
Facility
Modifier
52 · Reduced service
Typical Low
$5.62
Median
$10.00
Typical High
$20.89
Aetna
Setting
Facility
Modifier
53 · Discontinued
Typical Low
$2.29
Median
$3.98
Typical High
$8.32
Aetna
Setting
Professional
Modifier
52 · Reduced service
Typical Low
$5.62
Median
$5.62
Typical High
$6.92
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$2.29
Median
$2.29
Typical High
$2.75

Where Illinois 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.

Illinois· 49th of 51

$10.72

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.