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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.

Facilitymedian $85 · 10th–90th $10$2630%10%10th90th$85Professionalmedian $10 · 10th–90th $10$480%50%90th$10$10.0$20.0$50.0$100.0$200.0$500.0

Distribution of negotiated rates across all payers (price axis is log-scale). Facility and professional rates are different services and are charted separately. Need provider-level prices? Contact us.

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