go back

Blood Test Measuring Clot Formation Time

Arizona 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?

$8.32

Typical negotiated rate. In Arizona, October 2026.

Insurers have agreed to pay about $8.32 for this service. The price depends on where it is billed: about $5.89 from a physician practice, and about $19.50 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$5.89$5.25 to $7.76
FacilityA hospital or hospital-owned outpatient department$19.50$9.55 to $30.20

How much rates vary

Facilitymedian $19 · 10th to 90th $7 to $46Professionalmedian $6 · 10th to 90th $4 to $10
$5$10$20$50$100facility $19professional $6

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
$7.59
Median
$31.62
Typical High
$51.29
Aetna
Setting
Professional
Modifier
None
Typical Low
$6.61
Median
$6.61
Typical High
$8.91
Ambetter
Setting
Professional
Modifier
None
Typical Low
$6.92
Median
$6.92
Typical High
$6.92
BCBS Arizona
Setting
Facility
Modifier
None
Typical Low
$5.62
Median
$25.12
Typical High
$38.02
BCBS Arizona
Setting
Professional
Modifier
None
Typical Low
$5.25
Median
$8.32
Typical High
$11.75
Cigna
Setting
Facility
Modifier
None
Typical Low
$7.08
Median
$19.50
Typical High
$27.54
Cigna
Setting
Professional
Modifier
None
Typical Low
$6.61
Median
$8.71
Typical High
$15.14
Medica
Setting
Facility
Modifier
None
Typical Low
$7.24
Median
$9.77
Typical High
$120.23
Medica
Setting
Professional
Modifier
None
Typical Low
$4.17
Median
$5.75
Typical High
$9.12
United
Setting
Facility
Modifier
None
Typical Low
$33.11
Median
$33.11
Typical High
$33.11
United
Setting
Professional
Modifier
None
Typical Low
$4.17
Median
$5.75
Typical High
$13.49
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
$3.31
Median
$3.31
Typical High
$3.31
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$1.32
Median
$1.32
Typical High
$1.32

Where Arizona 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.

Arizona· 36th of 51

$8.32

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.