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Blood Test Measuring Clot Formation Time

Massachusetts rates for HCPCS 85635

This blood test measures how long it takes a blood sample to clot after a specific clot-triggering substance is added to the sample. It's used to help evaluate bleeding or clotting problems by focusing on a particular step in the clotting process. It's a simple blood draw, often ordered alongside other clotting tests.

Rates data updated July 2026.

How much does Blood Test Measuring Clot Formation Time cost?

$11.22

Typical negotiated rate. In Massachusetts, July 2026.

Insurers have agreed to pay about $11.22 for this service. The price depends on where it is billed: about $9.77 from a physician practice, and about $24.55 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 8 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$9.77$9.33 to $14.79
FacilityA hospital or hospital-owned outpatient department$24.55$13.80 to $31.62

How much rates vary

Facilitymedian $25 · 10th to 90th $9 to $50Professionalmedian $10 · 10th to 90th $9 to $30
$10.0$100.0$1.0K$10.0Kfacility $25professional $10

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
$9.77
Median
$25.70
Typical High
$64.57
Aetna
Setting
Professional
Modifier
Global
Typical Low
$8.91
Median
$9.33
Typical High
$43.65
AllWays Health Partners
Setting
Facility
Modifier
Global
Typical Low
$8.91
Median
$13.80
Typical High
$120.23
AllWays Health Partners
Setting
Professional
Modifier
Global
Typical Low
$5.89
Median
$9.77
Typical High
$23.99
BCBS
Setting
Facility
Modifier
Global
Typical Low
$19.50
Median
$24.55
Typical High
$38.90
BCBS
Setting
Professional
Modifier
Global
Typical Low
$9.33
Median
$9.33
Typical High
$12.59
Cigna
Setting
Facility
Modifier
Global
Typical Low
$7.76
Median
$15.49
Typical High
$25.70
Cigna
Setting
Professional
Modifier
Global
Typical Low
$6.03
Median
$11.22
Typical High
$25.12
Fallon Health
Setting
Facility
Modifier
Global
Typical Low
$11.22
Median
$77.62
Typical High
$7,079.46
Fallon Health
Setting
Professional
Modifier
Global
Typical Low
$14.13
Median
$14.13
Typical High
$16.60
Harvard Pilgrim
Setting
Professional
Modifier
Global
Typical Low
$9.77
Median
$9.77
Typical High
$30.20
Mass General Brigham
Setting
Facility
Modifier
Global
Typical Low
$8.91
Median
$13.80
Typical High
$120.23
Mass General Brigham
Setting
Professional
Modifier
Global
Typical Low
$5.89
Median
$9.77
Typical High
$23.99
United
Setting
Facility
Modifier
Global
Typical Low
$5.89
Median
$9.77
Typical High
$16.22
United
Setting
Professional
Modifier
Global
Typical Low
$5.89
Median
$9.77
Typical High
$25.12

Where Massachusetts sits

The same service costs 2.4 times more in Hawaii than in Washington, DC. Every bar is a state, most expensive first. Pick one to see its carriers and full range.

Massachusetts $11.22 · 22nd of 51
HI $17.78DC $7.41

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.