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Clotting-regulation Protein Blood Test

Washington, DC 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?

$31.62

Typical negotiated rate. In Washington, DC, July 2026.

Insurers have agreed to pay about $31.62 for this service. The price depends on where it is billed: about $10.47 from a physician practice, and about $85.11 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$10.47 to $10.47
FacilityA hospital or hospital-owned outpatient department$85.11$31.62 to $148

How much rates vary

Facilitymedian $85 · 10th to 90th $10 to $263Professionalmedian $10 · 10th to 90th $10 to $48
$10$20$50$100$200$500facility $85professional $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
$10.47
Median
$85.11
Typical High
$275.42
Aetna
Setting
Professional
Modifier
Global
Typical Low
$10.47
Median
$10.47
Typical High
$10.47
CareFirst
Setting
Professional
Modifier
Global
Typical Low
$39.81
Median
$69.18
Typical High
$154.88
Cigna
Setting
Facility
Modifier
Global
Typical Low
$22.39
Median
$23.44
Typical High
$52.48
Cigna
Setting
Professional
Modifier
Global
Typical Low
$7.59
Median
$16.22
Typical High
$107.15
Kaiser Permanente
Setting
Professional
Modifier
Global
Typical Low
$26.92
Median
$26.92
Typical High
$28.18
United
Setting
Facility
Modifier
Global
Typical Low
$8.13
Median
$16.60
Typical High
$47.86
United
Setting
Professional
Modifier
Global
Typical Low
$5.75
Median
$8.71
Typical High
$23.44

Where Washington, DC 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.

Washington, DC· 6th of 51

$31.62

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.