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Fibrinolysin Blood Test

Connecticut rates for HCPCS 85400

A blood test that measures fibrinolysin, the enzyme responsible for dissolving blood clots once they are no longer needed. It forms part of assessing whether the body's clot-breakdown system is running too fast, which can lead to abnormal bleeding.

Rates data updated October 2026.

How much does Fibrinolysin Blood Test cost?

$7.94

Typical negotiated rate. In Connecticut, October 2026.

Insurers have agreed to pay about $7.94 for this service. Most negotiated rates run $4.57 to $12.02.

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.

How much rates vary

Facilitymedian $12 · 10th to 90th $8 to $20Professionalmedian $5 · 10th to 90th $4 to $13
$5$10$20facility $12professional $5

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
Professional
Modifier
None
Typical Low
$6.92
Median
$7.94
Typical High
$7.94
Anthem BCBS
Setting
Facility
Modifier
None
Typical Low
$8.32
Median
$12.02
Typical High
$19.50
Anthem BCBS
Setting
Professional
Modifier
None
Typical Low
$3.80
Median
$4.57
Typical High
$12.59
Cigna
Setting
Facility
Modifier
None
Typical Low
$5.37
Median
$11.75
Typical High
$28.84
Cigna
Setting
Professional
Modifier
None
Typical Low
$5.25
Median
$8.13
Typical High
$12.59
ConnectiCare
Setting
Professional
Modifier
None
Typical Low
$4.57
Median
$6.17
Typical High
$11.48
United
Setting
Professional
Modifier
None
Typical Low
$3.89
Median
$7.76
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
$3.39
Median
$3.98
Typical High
$3.98
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$1.38
Median
$1.58
Typical High
$1.58

Where Connecticut sits

The same service costs 3.5 times more in Kansas than in Alabama. 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.

Connecticut· 24th of 51

$7.94

KS $19.05AL $5.50

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.