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Blood Test Measuring Clot Formation Time

Michigan 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?

$8.13

Typical negotiated rate. In Michigan, October 2026.

Insurers have agreed to pay about $8.13 for this service. The price depends on where it is billed: about $7.41 from a physician practice, and about $9.33 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$7.41$6.17 to $9.33
FacilityA hospital or hospital-owned outpatient department$9.33$9.33 to $12.88

How much rates vary

Facilitymedian $9 · 10th to 90th $7 to $17Professionalmedian $7 · 10th to 90th $4 to $10
$5$10$20facility $9professional $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
$9.33
Median
$9.33
Typical High
$14.45
Aetna
Setting
Facility
Modifier
52 · Reduced service
Typical Low
$4.68
Median
$4.68
Typical High
$7.24
Aetna
Setting
Facility
Modifier
53 · Discontinued
Typical Low
$1.86
Median
$1.86
Typical High
$2.95
Aetna
Setting
Professional
Modifier
None
Typical Low
$8.51
Median
$9.55
Typical High
$10.00
Aetna
Setting
Professional
Modifier
52 · Reduced service
Typical Low
$4.17
Median
$4.68
Typical High
$5.01
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$1.66
Median
$1.91
Typical High
$2.00
BCBS Michigan
Setting
Facility
Modifier
None
Typical Low
$7.41
Median
$10.96
Typical High
$18.20
BCBS Michigan
Setting
Professional
Modifier
None
Typical Low
$7.41
Median
$7.41
Typical High
$7.41
Cigna
Setting
Professional
Modifier
None
Typical Low
$6.31
Median
$7.94
Typical High
$13.80
Health Alliance Plan
Setting
Facility
Modifier
None
Typical Low
$8.91
Median
$9.33
Typical High
$17.38
Health Alliance Plan
Setting
Facility
Modifier
52 · Reduced service
Typical Low
$4.68
Median
$4.68
Typical High
$7.24
Health Alliance Plan
Setting
Facility
Modifier
53 · Discontinued
Typical Low
$1.86
Median
$1.86
Typical High
$2.95
Health Alliance Plan
Setting
Professional
Modifier
None
Typical Low
$6.17
Median
$8.51
Typical High
$11.75
Health Alliance Plan
Setting
Professional
Modifier
52 · Reduced service
Typical Low
$4.68
Median
$4.68
Typical High
$4.68
Health Alliance Plan
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$1.86
Median
$1.86
Typical High
$1.86
Priority Health
Setting
Professional
Modifier
None
Typical Low
$6.31
Median
$9.77
Typical High
$12.88
United
Setting
Facility
Modifier
None
Typical Low
$5.89
Median
$8.91
Typical High
$33.11
United
Setting
Professional
Modifier
None
Typical Low
$2.82
Median
$3.98
Typical High
$12.88

Where Michigan 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.

Michigan· 38th of 51

$8.13

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.