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Blood Test Measuring Clot Formation Time

North 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 North 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 $15.49 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 7 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$7.94 to $8.71
FacilityA hospital or hospital-owned outpatient department$15.49$8.71 to $70.79

How much rates vary

Facilitymedian $15 · 10th to 90th $8 to $89Professionalmedian $8 · 10th to 90th $7 to $13
$5.0$10.0$20.0$50.0$100.0facility $15professional $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
$7.94
Median
$16.98
Typical High
$89.13
Aetna
Setting
Professional
Modifier
Global
Typical Low
$7.76
Median
$7.94
Typical High
$12.88
Ambetter
Setting
Professional
Modifier
Global
Typical Low
$6.61
Median
$6.61
Typical High
$6.92
BCBS
Setting
Facility
Modifier
Global
Typical Low
$16.60
Median
$22.39
Typical High
$37.15
BCBS
Setting
Professional
Modifier
Global
Typical Low
$5.89
Median
$8.91
Typical High
$11.48
Cigna
Setting
Facility
Modifier
Global
Typical Low
$6.76
Median
$19.05
Typical High
$44.67
Cigna
Setting
Professional
Modifier
Global
Typical Low
$5.01
Median
$6.76
Typical High
$14.79
Medcost
Setting
Professional
Modifier
Global
Typical Low
$8.13
Median
$19.05
Typical High
$109.65
Medcost
Setting
Facility
Modifier
Global
Typical Low
$7.94
Median
$8.91
Typical High
$19.05
Medcost
Setting
Professional
Modifier
Global
Typical Low
$7.94
Median
$26.92
Typical High
$30.20
United
Setting
Facility
Modifier
Global
Typical Low
$5.13
Median
$12.88
Typical High
$18.62
United
Setting
Professional
Modifier
Global
Typical Low
$4.90
Median
$6.92
Typical High
$13.80
Wellcare
Setting
Facility
Modifier
Global
Typical Low
$70.79
Median
$70.79
Typical High
$120.23

Where North 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.

North Carolina $8.51 · 42nd 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.