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Blood Test Measuring Clot Formation Time

South Carolina 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?

$8.51

Typical negotiated rate. In South Carolina, July 2026.

Insurers have agreed to pay about $8.51 for this service. The price depends on where it is billed: about $7.94 from a physician practice, and about $25.12 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 5 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$7.94$7.76 to $8.51
FacilityA hospital or hospital-owned outpatient department$25.12$13.80 to $44.67

How much rates vary

Facilitymedian $25 · 10th to 90th $8 to $62Professionalmedian $8 · 10th to 90th $8 to $15
$5.0$10.0$20.0$50.0$100.0facility $25professional $8

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
$7.76
Median
$23.99
Typical High
$46.77
Aetna
Setting
Professional
Modifier
Global
Typical Low
$7.76
Median
$7.76
Typical High
$8.51
BCBS
Setting
Facility
Modifier
Global
Typical Low
$20.42
Median
$42.66
Typical High
$70.79
BCBS
Setting
Professional
Modifier
Global
Typical Low
$10.23
Median
$16.98
Typical High
$35.48
Cigna
Setting
Facility
Modifier
Global
Typical Low
$18.62
Median
$32.36
Typical High
$81.28
Cigna
Setting
Professional
Modifier
Global
Typical Low
$4.90
Median
$6.46
Typical High
$12.59
Medcost
Setting
Facility
Modifier
Global
Typical Low
$7.76
Median
$11.48
Typical High
$20.89
United
Setting
Facility
Modifier
Global
Typical Low
$5.37
Median
$9.77
Typical High
$11.75
United
Setting
Professional
Modifier
Global
Typical Low
$4.17
Median
$6.92
Typical High
$13.80

Where South Carolina 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.

South Carolina $8.51 · 44th 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.