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Blood Test Measuring Clot Formation Time

Indiana 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?

$7.76

Typical negotiated rate. In Indiana, October 2026.

Insurers have agreed to pay about $7.76 for this service. The price depends on where it is billed: about $6.61 from a physician practice, and about $9.77 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 7 insurance carriers under federal price transparency rules.

Prices by location type

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$6.61$4.27 to $9.77
FacilityA hospital or hospital-owned outpatient department$9.77$9.77 to $23.44

How much rates vary

Facilitymedian $10 · 10th to 90th $8 to $33Professionalmedian $7 · 10th to 90th $4 to $18
$5$20$100$500$2Kfacility $10professional $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
$8.13
Median
$16.60
Typical High
$36.31
Aetna
Setting
Professional
Modifier
None
Typical Low
$7.41
Median
$8.13
Typical High
$91.20
Ambetter
Setting
Professional
Modifier
None
Typical Low
$5.89
Median
$5.89
Typical High
$5.89
Anthem BCBS
Setting
Facility
Modifier
None
Typical Low
$7.76
Median
$9.77
Typical High
$29.51
Anthem BCBS
Setting
Professional
Modifier
None
Typical Low
$4.27
Median
$5.62
Typical High
$13.80
CareSource
Setting
Facility
Modifier
None
Typical Low
$12.30
Median
$12.30
Typical High
$12.30
Cigna
Setting
Facility
Modifier
None
Typical Low
$6.46
Median
$9.77
Typical High
$33.11
Cigna
Setting
Professional
Modifier
None
Typical Low
$6.31
Median
$13.80
Typical High
$26.92
Physicians Health Plan of Northern Indiana
Setting
Facility
Modifier
None
Typical Low
$17.78
Median
$24.55
Typical High
$2,187.76
Physicians Health Plan of Northern Indiana
Setting
Professional
Modifier
None
Typical Low
$6.46
Median
$7.94
Typical High
$8.71
United
Setting
Professional
Modifier
None
Typical Low
$4.17
Median
$8.32
Typical High
$12.02
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
$4.07
Typical High
$45.71
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$1.48
Median
$1.62
Typical High
$18.20

Where Indiana 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.

Indiana· 48th of 51

$7.76

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.