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Blood Test Measuring Clot Formation Time

Louisiana 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?

$12.02

Typical negotiated rate. In Louisiana, July 2026.

Insurers have agreed to pay about $12.02 for this service. The price depends on where it is billed: about $10.96 from a physician practice, and about $13.49 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 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$10.96$8.51 to $12.59
FacilityA hospital or hospital-owned outpatient department$13.49$12.02 to $25.70

How much rates vary

Facilitymedian $13 · 10th to 90th $10 to $36Professionalmedian $11 · 10th to 90th $7 to $18
$2.0$5.0$10.0$20.0$50.0facility $13professional $11

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
$10.47
Median
$13.18
Typical High
$36.31
Aetna
Setting
Professional
Modifier
Global
Typical Low
$7.41
Median
$11.75
Typical High
$19.95
BCBS
Setting
Facility
Modifier
Global
Typical Low
$12.02
Median
$19.95
Typical High
$36.31
BCBS
Setting
Professional
Modifier
Global
Typical Low
$8.13
Median
$10.96
Typical High
$19.05
Christus
Setting
Facility
Modifier
Global
Typical Low
$9.55
Median
$9.55
Typical High
$39.81
Cigna
Setting
Facility
Modifier
Global
Typical Low
$10.47
Median
$26.92
Typical High
$61.66
Cigna
Setting
Professional
Modifier
Global
Typical Low
$4.57
Median
$6.46
Typical High
$11.22
United
Setting
Facility
Modifier
Global
Typical Low
$4.17
Median
$9.77
Typical High
$12.30
United
Setting
Professional
Modifier
Global
Typical Low
$4.17
Median
$5.75
Typical High
$13.80

Where Louisiana 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.

Louisiana $12.02 · 13th 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.