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Clotting Protein Activity Test

Connecticut rates for HCPCS 85397

A blood test that measures how well a particular protein involved in forming or dissolving clots is actually working, rather than simply how much of it is present. It is used when a specific measurement is needed that no standard named test covers.

Rates data updated October 2026.

How much does Clotting Protein Activity Test cost?

$23.44

Typical negotiated rate. In Connecticut, October 2026.

Insurers have agreed to pay about $23.44 for this service. Most negotiated rates run $18.62 to $39.81.

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 $41 · 10th to 90th $23 to $81Professionalmedian $19 · 10th to 90th $13 to $35
$10$20$50$100facility $41professional $19

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
$15.49
Median
$20.89
Typical High
$22.39
Anthem BCBS
Setting
Facility
Modifier
None
Typical Low
$23.44
Median
$40.74
Typical High
$75.86
Anthem BCBS
Setting
Professional
Modifier
None
Typical Low
$13.49
Median
$18.62
Typical High
$35.48
Cigna
Setting
Facility
Modifier
None
Typical Low
$19.95
Median
$39.81
Typical High
$112.20
Cigna
Setting
Professional
Modifier
None
Typical Low
$17.38
Median
$27.54
Typical High
$47.86
ConnectiCare
Setting
Professional
Modifier
None
Typical Low
$18.20
Median
$24.55
Typical High
$40.74
United
Setting
Professional
Modifier
None
Typical Low
$10.00
Median
$18.62
Typical High
$53.70

Where Connecticut sits

The same service costs 3.7 times more in Alaska than in Kansas. 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· 41st of 51

$23.44

AK $69.18KS $18.62

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.