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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 October 2026.

How much does Clotting-regulation Protein Blood Test cost?

$10.96

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

Insurers have agreed to pay about $10.96 for this service. Most negotiated rates run $10.00 to $19.50.

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.

How much rates vary

Facilitymedian $25 · 10th to 90th $10 to $44Professionalmedian $11 · 10th to 90th $9 to $23
$10$20$50$100facility $25professional $11

Distribution of negotiated rates across all payers (price axis is log-scale). Small sample; interpret with caution. Need provider-level prices or 24+ months of history? Contact us.

Rates by insurance carrier

Insurance Carrier
Aetna
Setting
Facility
Modifier
None
Typical Low
$10.47
Median
$25.12
Typical High
$33.88
Aetna
Setting
Professional
Modifier
None
Typical Low
$10.47
Median
$10.47
Typical High
$10.47
CareFirst
Setting
Professional
Modifier
None
Typical Low
$10.00
Median
$10.96
Typical High
$19.50
Cigna
Setting
Facility
Modifier
None
Typical Low
$22.39
Median
$23.44
Typical High
$52.48
Cigna
Setting
Professional
Modifier
None
Typical Low
$7.59
Median
$16.22
Typical High
$102.33
Kaiser Permanente
Setting
Professional
Modifier
None
Typical Low
$26.92
Median
$26.92
Typical High
$28.84
United
Setting
Professional
Modifier
None
Typical Low
$5.75
Median
$8.71
Typical High
$23.44

Where Washington, DC 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.

Washington, DC· 48th of 51

$10.96

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.