go back

Protein S Level Test

Massachusetts rates for HCPCS 85305

This blood test measures the total amount of a natural protein the body uses to help regulate blood clotting. It is used to help investigate an unexplained blood clot or a family history of clotting problems.

Rates data updated July 2026.

How much does Protein S Level Test cost?

$14.79

Typical negotiated rate. In Massachusetts, July 2026.

Insurers have agreed to pay about $14.79 for this service. The price depends on where it is billed: about $11.48 from a physician practice, and about $30.90 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 9 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$11.48$10.72 to $14.79
FacilityA hospital or hospital-owned outpatient department$30.90$19.95 to $47.86

How much rates vary

Facilitymedian $31 · 10th to 90th $11 to $123Professionalmedian $11 · 10th to 90th $10 to $29
$10$20$50$100facility $31professional $11

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
$11.48
Median
$33.88
Typical High
$134.90
Aetna
Setting
Professional
Modifier
Global
Typical Low
$10.23
Median
$10.96
Typical High
$34.67
AllWays Health Partners
Setting
Facility
Modifier
Global
Typical Low
$10.47
Median
$16.22
Typical High
$138.04
AllWays Health Partners
Setting
Professional
Modifier
Global
Typical Low
$6.92
Median
$11.48
Typical High
$28.18
BCBS
Setting
Facility
Modifier
Global
Typical Low
$22.91
Median
$28.84
Typical High
$41.69
BCBS
Setting
Professional
Modifier
Global
Typical Low
$10.96
Median
$10.96
Typical High
$14.79
Cigna
Setting
Facility
Modifier
Global
Typical Low
$9.12
Median
$18.20
Typical High
$30.20
Cigna
Setting
Professional
Modifier
Global
Typical Low
$6.92
Median
$13.18
Typical High
$30.90
Fallon Health
Setting
Facility
Modifier
Global
Typical Low
$13.18
Median
$114.82
Typical High
$7,079.46
Fallon Health
Setting
Professional
Modifier
Global
Typical Low
$16.98
Median
$16.98
Typical High
$19.95
Harvard Pilgrim
Setting
Professional
Modifier
Global
Typical Low
$11.48
Median
$11.48
Typical High
$35.48
Health New England
Setting
Facility
Modifier
Global
Typical Low
$10.96
Median
$15.14
Typical High
$69.18
Mass General Brigham
Setting
Facility
Modifier
Global
Typical Low
$10.47
Median
$16.22
Typical High
$138.04
Mass General Brigham
Setting
Professional
Modifier
Global
Typical Low
$6.92
Median
$11.48
Typical High
$28.18
United
Setting
Facility
Modifier
Global
Typical Low
$6.61
Median
$11.48
Typical High
$16.98
United
Setting
Professional
Modifier
Global
Typical Low
$6.92
Median
$11.48
Typical High
$29.51

Where Massachusetts sits

The same service costs 3.0 times more in Pennsylvania than in Tennessee. 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.

Massachusetts· 13th of 51

$14.79

PA $27.54TN $9.33

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.