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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 October 2026.

How much does Blood Test Measuring Clot Formation Time cost?

$7.94

Typical negotiated rate. In North Carolina, October 2026.

Insurers have agreed to pay about $7.94 for this service. The price depends on where it is billed: about $7.94 from a physician practice, and about $13.80 from a hospital or other facility.

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.

Prices by location type

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$7.94$6.61 to $9.77
FacilityA hospital or hospital-owned outpatient department$13.80$7.94 to $26.92

How much rates vary

Facilitymedian $14 · 10th to 90th $8 to $45Professionalmedian $8 · 10th to 90th $5 to $14
$5$10$20$50facility $14professional $8

Distribution of negotiated rates across all payers (price axis is log-scale). Need provider-level prices or 24+ months of history? Contact us.

Rates by insurance carrier

Insurance Carrier
Aetna
Setting
Facility
Modifier
None
Typical Low
$7.94
Median
$7.94
Typical High
$25.70
Aetna
Setting
Professional
Modifier
None
Typical Low
$7.94
Median
$7.94
Typical High
$9.77
Aetna
Setting
Professional
Modifier
52 · Reduced service
Typical Low
$3.98
Median
$3.98
Typical High
$4.27
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$1.58
Median
$1.58
Typical High
$1.70
Ambetter
Setting
Professional
Modifier
None
Typical Low
$5.89
Median
$6.61
Typical High
$6.92
BCBS North Carolina
Setting
Facility
Modifier
None
Typical Low
$21.88
Median
$42.66
Typical High
$42.66
BCBS North Carolina
Setting
Professional
Modifier
None
Typical Low
$5.89
Median
$5.89
Typical High
$6.46
Cigna
Setting
Facility
Modifier
None
Typical Low
$6.92
Median
$21.38
Typical High
$44.67
Cigna
Setting
Professional
Modifier
None
Typical Low
$5.01
Median
$6.76
Typical High
$14.79
Medcost
Setting
Professional
Modifier
None
Typical Low
$8.13
Median
$19.05
Typical High
$109.65
Medcost
Setting
Facility
Modifier
None
Typical Low
$7.76
Median
$7.94
Typical High
$20.42
Medcost
Setting
Professional
Modifier
None
Typical Low
$7.94
Median
$14.13
Typical High
$30.20
United
Setting
Professional
Modifier
None
Typical Low
$4.17
Median
$6.92
Typical High
$13.49

Where North Carolina sits

The same service costs 4.1 times more in Kansas than in Nebraska. 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.

North Carolina· 44th of 51

$7.94

KS $26.92NE $6.61

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.