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Clotting-regulation Protein Blood Test, Protein S

Arizona rates for HCPCS 85306

This is a blood test that measures protein S, one of the body's natural proteins that helps keep blood clotting properly balanced. It's typically ordered as part of a work-up after an unexplained or recurrent blood clot, to check whether a deficiency in this protein might be a contributing factor. It's usually run together with a small set of related clot-regulation tests.

Rates data updated July 2026.

How much does Clotting-regulation Protein Blood Test, Protein S cost?

$16.22

Typical negotiated rate. In Arizona, July 2026.

Insurers have agreed to pay about $16.22 for this service. The price depends on where it is billed: about $13.49 from a physician practice, and about $46.77 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$13.49$10.23 to $15.49
FacilityA hospital or hospital-owned outpatient department$46.77$23.44 to $63.10

How much rates vary

Facilitymedian $47 · 10th to 90th $14 to $72Professionalmedian $13 · 10th to 90th $10 to $95
$10$20$50$100$200facility $47professional $13

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
$21.88
Median
$56.23
Typical High
$75.86
Aetna
Setting
Professional
Modifier
Global
Typical Low
$10.23
Median
$13.80
Typical High
$97.72
Ambetter
Setting
Professional
Modifier
Global
Typical Low
$9.12
Median
$10.72
Typical High
$10.72
BCBS
Setting
Facility
Modifier
Global
Typical Low
$9.12
Median
$37.15
Typical High
$72.44
BCBS
Setting
Professional
Modifier
Global
Typical Low
$12.02
Median
$12.88
Typical High
$63.10
Cigna
Setting
Facility
Modifier
Global
Typical Low
$10.96
Median
$16.22
Typical High
$50.12
Cigna
Setting
Professional
Modifier
Global
Typical Low
$10.23
Median
$13.80
Typical High
$23.44
Medica
Setting
Facility
Modifier
Global
Typical Low
$12.30
Median
$13.80
Typical High
$208.93
Medica
Setting
Professional
Modifier
Global
Typical Low
$6.46
Median
$8.91
Typical High
$13.80
United
Setting
Facility
Modifier
Global
Typical Low
$10.72
Median
$15.49
Typical High
$18.20
United
Setting
Professional
Modifier
Global
Typical Low
$6.46
Median
$8.91
Typical High
$15.49

Where Arizona sits

The same service costs 3.6 times more in West Virginia than in Kentucky. 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.

Arizona· 34th of 51

$16.22

WV $50.12KY $13.80

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.