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Thrombin Time Blood Test

Washington rates for HCPCS 85670

This blood test measures how long it takes a blood sample to clot after a substance called thrombin is added. It is used to help investigate bleeding or clotting problems, or to check for the presence of certain blood-thinning medications.

Rates data updated July 2026.

How much does Thrombin Time Blood Test cost?

$8.51

Typical negotiated rate. In Washington, July 2026.

Insurers have agreed to pay about $8.51 for this service. The price depends on where it is billed: about $5.37 from a physician practice, and about $13.18 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 9 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$5.37$5.13 to $6.17
FacilityA hospital or hospital-owned outpatient department$13.18$7.59 to $30.90

How much rates vary

Facilitymedian $13 · 10th to 90th $6 to $79Professionalmedian $5 · 10th to 90th $4 to $10
$5$10$20$50$100$200facility $13professional $5

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
$5.75
Median
$22.39
Typical High
$93.33
Aetna
Setting
Professional
Modifier
Global
Typical Low
$5.01
Median
$5.37
Typical High
$38.02
Asuris Northwest Health
Setting
Facility
Modifier
Global
Typical Low
$5.75
Median
$7.24
Typical High
$15.85
Asuris Northwest Health
Setting
Professional
Modifier
Global
Typical Low
$4.37
Median
$5.25
Typical High
$5.89
Cigna
Setting
Facility
Modifier
Global
Typical Low
$6.03
Median
$12.30
Typical High
$20.89
Cigna
Setting
Professional
Modifier
Global
Typical Low
$3.63
Median
$6.17
Typical High
$9.12
Molina
Setting
Professional
Modifier
Global
Typical Low
$3.72
Median
$5.13
Typical High
$64.57
Pacific Source
Setting
Facility
Modifier
Global
Typical Low
$5.75
Median
$5.75
Typical High
$11.48
Pacific Source
Setting
Professional
Modifier
Global
Typical Low
$5.75
Median
$5.75
Typical High
$5.75
Premera BCBS
Setting
Facility
Modifier
Global
Typical Low
$5.75
Median
$10.00
Typical High
$15.85
Premera BCBS
Setting
Professional
Modifier
Global
Typical Low
$5.25
Median
$5.25
Typical High
$6.92
Regence BlueShield
Setting
Facility
Modifier
Global
Typical Low
$5.75
Median
$8.71
Typical High
$15.49
Regence BlueShield
Setting
Professional
Modifier
Global
Typical Low
$4.37
Median
$5.25
Typical High
$5.75
United
Setting
Facility
Modifier
Global
Typical Low
$5.50
Median
$6.92
Typical High
$6.92
United
Setting
Professional
Modifier
Global
Typical Low
$2.40
Median
$3.31
Typical High
$8.13
Wellpoint
Setting
Professional
Modifier
Global
Typical Low
$2.57
Median
$3.02
Typical High
$10.47

Where Washington sits

The same service costs 4.2 times more in South Dakota than in Tennessee. 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.

Washington· 14th of 51

$8.51

SD $20.89TN $5.01

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.