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Blood Test Measuring Clot Formation Time

Virginia 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 Virginia, October 2026.

Insurers have agreed to pay about $7.94 for this service. The price depends on where it is billed: about $6.76 from a physician practice, and about $14.79 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 8 insurance carriers under federal price transparency rules.

Prices by location type

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$6.76$4.90 to $8.13
FacilityA hospital or hospital-owned outpatient department$14.79$9.77 to $24.55

How much rates vary

Facilitymedian $15 · 10th to 90th $9 to $48Professionalmedian $7 · 10th to 90th $5 to $13
$10$100$1K$10Kfacility $15professional $7

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
$7.41
Median
$9.33
Typical High
$25.70
Aetna
Setting
Professional
Modifier
None
Typical Low
$7.41
Median
$8.91
Typical High
$9.33
Anthem BCBS
Setting
Facility
Modifier
None
Typical Low
$9.77
Median
$9.77
Typical High
$47.86
Anthem BCBS
Setting
Professional
Modifier
None
Typical Low
$4.90
Median
$6.03
Typical High
$7.59
CareFirst
Setting
Professional
Modifier
None
Typical Low
$7.08
Median
$7.94
Typical High
$9.77
Cigna
Setting
Facility
Modifier
None
Typical Low
$10.00
Median
$23.44
Typical High
$38.90
Cigna
Setting
Professional
Modifier
None
Typical Low
$5.37
Median
$7.59
Typical High
$13.80
Kaiser Permanente
Setting
Professional
Modifier
None
Typical Low
$9.77
Median
$11.75
Typical High
$14.45
Medcost
Setting
Professional
Modifier
None
Typical Low
$8.13
Median
$16.60
Typical High
$19.05
Medcost
Setting
Facility
Modifier
None
Typical Low
$8.13
Median
$8.91
Typical High
$20.42
Medcost
Setting
Professional
Modifier
None
Typical Low
$8.71
Median
$8.71
Typical High
$23.99
Sentara
Setting
Facility
Modifier
None
Typical Low
$8.71
Median
$14.45
Typical High
$10,232.93
Sentara
Setting
Professional
Modifier
None
Typical Low
$8.71
Median
$14.45
Typical High
$10,232.93
United
Setting
Facility
Modifier
None
Typical Low
$11.75
Median
$11.75
Typical High
$33.11
United
Setting
Professional
Modifier
None
Typical Low
$4.07
Median
$5.75
Typical High
$9.77
2 more rates with less common billing modifiers

A modifier changes what was billed, for example a reduced or repeated service. Each of these modifiers carries under 10% of the published rates for this code. Modifier combinations, and modifiers with fewer than 30 rates for a carrier, are not listed.

Insurance Carrier
Aetna
Setting
Professional
Modifier
52 · Reduced service
Typical Low
$3.72
Median
$4.57
Typical High
$4.68
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$1.48
Median
$1.82
Typical High
$1.86

Where Virginia 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.

Virginia· 43rd 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.