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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 July 2026.

How much does Clotting-regulation Protein Blood Test cost?

$23.99

Typical negotiated rate. In Illinois, July 2026.

Insurers have agreed to pay about $23.99 for this service. The price depends on where it is billed: about $11.22 from a physician practice, and about $44.67 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$11.22$10.72 to $15.14
FacilityA hospital or hospital-owned outpatient department$44.67$22.91 to $200

How much rates vary

Facilitymedian $45 · 10th to 90th $14 to $257Professionalmedian $11 · 10th to 90th $3 to $28
$5$10$20$50$100$200$500facility $45professional $11

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
$14.13
Median
$54.95
Typical High
$257.04
Aetna
Setting
Professional
Modifier
Global
Typical Low
$10.72
Median
$12.02
Typical High
$28.18
Ambetter
Setting
Professional
Modifier
Global
Typical Low
$6.92
Median
$8.51
Typical High
$8.51
BCBS
Setting
Facility
Modifier
Global
Typical Low
$18.20
Median
$36.31
Typical High
$144.54
BCBS
Setting
Professional
Modifier
Global
Typical Low
$3.47
Median
$9.55
Typical High
$10.72
Cigna
Setting
Facility
Modifier
Global
Typical Low
$15.49
Median
$32.36
Typical High
$64.57
Cigna
Setting
Professional
Modifier
Global
Typical Low
$8.71
Median
$16.22
Typical High
$25.12
Hally Health
Setting
Professional
Modifier
Global
Typical Low
$15.14
Median
$26.92
Typical High
$302.00
Hally Health
Setting
Facility
Modifier
Global
Typical Low
$100.00
Median
$100.00
Typical High
$100.00
Hally Health
Setting
Professional
Modifier
Global
Typical Low
$17.78
Median
$17.78
Typical High
$17.78
United
Setting
Facility
Modifier
Global
Typical Low
$10.23
Median
$13.80
Typical High
$27.54
United
Setting
Professional
Modifier
Global
Typical Low
$5.75
Median
$10.47
Typical High
$13.80

Where Illinois sits

The same service costs 7.4 times more in West Virginia than in Maryland. 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· 12th of 51

$23.99

WV $89.13MD $12.02

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.