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Thrombin Time Measured Across Dilutions

Maryland rates for HCPCS 85675

A clotting test in which thrombin is added to plasma and the time to form a clot is measured across a graded series of dilutions, giving more detail than a single reading. It helps show whether slow clotting comes from a problem with fibrinogen or from something in the blood interfering with the process.

Rates data updated October 2026.

How much does Thrombin Time Measured Across Dilutions cost?

$5.13

Typical negotiated rate. In Maryland, October 2026.

Insurers have agreed to pay about $5.13 for this service. Most negotiated rates run $4.57 to $5.50.

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.

How much rates vary

Facilitymedian $5 · 10th to 90th $4 to $24Professionalmedian $5 · 10th to 90th $3 to $8
$5$10$20facility $5professional $5

Distribution of negotiated rates across all payers (price axis is log-scale). Small sample; interpret with caution. Need provider-level prices or 24+ months of history? Contact us.

Rates by insurance carrier

Insurance Carrier
Aetna
Setting
Professional
Modifier
None
Typical Low
$5.13
Median
$5.13
Typical High
$5.50
CareFirst
Setting
Professional
Modifier
None
Typical Low
$4.90
Median
$5.50
Typical High
$5.62
Cigna
Setting
Facility
Modifier
None
Typical Low
$3.63
Median
$4.79
Typical High
$8.91
Cigna
Setting
Professional
Modifier
None
Typical Low
$3.63
Median
$6.76
Typical High
$16.98
Kaiser Permanente
Setting
Professional
Modifier
None
Typical Low
$6.92
Median
$7.94
Typical High
$13.18
United
Setting
Facility
Modifier
None
Typical Low
$23.99
Median
$23.99
Typical High
$23.99
United
Setting
Professional
Modifier
None
Typical Low
$3.02
Median
$3.89
Typical High
$5.89
Wellpoint
Setting
Professional
Modifier
None
Typical Low
$2.69
Median
$6.76
Typical High
$6.76
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
$2.51
Median
$2.57
Typical High
$2.57
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$1.00
Median
$1.02
Typical High
$1.02

Where Maryland sits

The same service costs 4.2 times more in Kansas than in Maryland. 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.

Maryland· 51st of 51

$5.13

KS $21.38MD $5.13

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.