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Clotting Protein Activity Test

Mississippi 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 July 2026.

How much does Clotting Protein Activity Test cost?

$35.48

Typical negotiated rate. In Mississippi, July 2026.

Insurers have agreed to pay about $35.48 for this service. The price depends on where it is billed: about $33.11 from a physician practice, and about $42.66 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$33.11$23.44 to $54.95
FacilityA hospital or hospital-owned outpatient department$42.66$27.54 to $63.10

How much rates vary

Facilitymedian $43 · 10th to 90th $25 to $871Professionalmedian $33 · 10th to 90th $19 to $63
$10.0$20.0$50.0$100.0$200.0$500.0$1.0Kfacility $43professional $33

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
$24.55
Median
$54.95
Typical High
$870.96
Aetna
Setting
Professional
Modifier
Global
Typical Low
$23.44
Median
$35.48
Typical High
$63.10
Ambetter
Setting
Professional
Modifier
Global
Typical Low
$15.49
Median
$15.49
Typical High
$15.49
BCBS
Setting
Facility
Modifier
Global
Typical Low
$42.66
Median
$42.66
Typical High
$42.66
BCBS
Setting
Professional
Modifier
Global
Typical Low
$38.90
Median
$38.90
Typical High
$38.90
Cigna
Setting
Facility
Modifier
Global
Typical Low
$19.95
Median
$25.70
Typical High
$39.81
Cigna
Setting
Professional
Modifier
Global
Typical Low
$13.49
Median
$23.99
Typical High
$56.23
United
Setting
Facility
Modifier
Global
Typical Low
$27.54
Median
$28.18
Typical High
$37.15
United
Setting
Professional
Modifier
Global
Typical Low
$12.88
Median
$18.62
Typical High
$48.98

Where Mississippi sits

The same service costs 2.8 times more in South Dakota than in Florida. Every bar is a state, most expensive first. Pick one to see its carriers and full range.

Mississippi $35.48 · 18th of 51
SD $58.88FL $21.38

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.