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Clotting-regulation Protein Blood Test

Washington 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 $36 · 10th–90th $14$1580%10%10th90th$36Professionalmedian $13 · 10th–90th $11$870%20%10th90th$13$10.0$20.0$50.0$100.0$200.0

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
$13.80
Median
$54.95
Typical High
$199.53
Aetna
Setting
Professional
Modifier
Global
Typical Low
$12.02
Median
$12.88
Typical High
$91.20
Ambetter
Setting
Professional
Modifier
Global
Typical Low
$8.51
Median
$8.51
Typical High
$8.51
Asuris Northwest Health
Setting
Facility
Modifier
Global
Typical Low
$13.80
Median
$17.38
Typical High
$38.02
Asuris Northwest Health
Setting
Professional
Modifier
Global
Typical Low
$10.47
Median
$12.30
Typical High
$14.13
Cigna
Setting
Facility
Modifier
Global
Typical Low
$14.45
Median
$29.51
Typical High
$46.77
Cigna
Setting
Professional
Modifier
Global
Typical Low
$8.51
Median
$14.45
Typical High
$21.88
Molina
Setting
Professional
Modifier
Global
Typical Low
$8.91
Median
$12.30
Typical High
$64.57
Pacific Source
Setting
Facility
Modifier
Global
Typical Low
$13.80
Median
$13.80
Typical High
$28.18
Pacific Source
Setting
Professional
Modifier
Global
Typical Low
$13.80
Median
$15.14
Typical High
$63.10
Premera BCBS
Setting
Facility
Modifier
Global
Typical Low
$13.80
Median
$23.99
Typical High
$38.02
Premera BCBS
Setting
Professional
Modifier
Global
Typical Low
$12.59
Median
$12.59
Typical High
$16.60
Regence BlueShield
Setting
Facility
Modifier
Global
Typical Low
$13.80
Median
$20.89
Typical High
$37.15
Regence BlueShield
Setting
Professional
Modifier
Global
Typical Low
$10.47
Median
$12.30
Typical High
$13.80
United
Setting
Facility
Modifier
Global
Typical Low
$13.18
Median
$16.60
Typical High
$16.60
United
Setting
Professional
Modifier
Global
Typical Low
$5.75
Median
$7.94
Typical High
$16.60
Wellpoint
Setting
Professional
Modifier
Global
Typical Low
$6.17
Median
$7.24
Typical High
$25.12