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Thrombin Time Blood Test

Washington, DC 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?

$11.22

Typical negotiated rate. In Washington, DC, July 2026.

Insurers have agreed to pay about $11.22 for this service. The price depends on where it is billed: about $4.37 from a physician practice, and about $35.48 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$4.37$4.37 to $4.37
FacilityA hospital or hospital-owned outpatient department$35.48$13.18 to $77.62

How much rates vary

Facilitymedian $35 · 10th to 90th $4 to $98Professionalmedian $4 · 10th to 90th $4 to $18
$5$10$20$50$100facility $35professional $4

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
$4.37
Median
$35.48
Typical High
$97.72
Aetna
Setting
Professional
Modifier
Global
Typical Low
$4.37
Median
$4.37
Typical High
$4.37
CareFirst
Setting
Professional
Modifier
Global
Typical Low
$14.45
Median
$25.70
Typical High
$64.57
Cigna
Setting
Facility
Modifier
Global
Typical Low
$9.33
Median
$9.77
Typical High
$22.39
Cigna
Setting
Professional
Modifier
Global
Typical Low
$3.24
Median
$6.61
Typical High
$45.71
Kaiser Permanente
Setting
Professional
Modifier
Global
Typical Low
$11.22
Median
$11.22
Typical High
$11.75
United
Setting
Facility
Modifier
Global
Typical Low
$3.39
Median
$6.92
Typical High
$28.18
United
Setting
Professional
Modifier
Global
Typical Low
$2.40
Median
$3.47
Typical High
$8.71

Where Washington, DC 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, DC· 8th of 51

$11.22

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.