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Clotting Protein Activity Test

South Dakota 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?

$34.67

Typical negotiated rate. In South Dakota, October 2026.

Insurers have agreed to pay about $34.67 for this service. The price depends on where it is billed: about $33.88 from a physician practice, and about $34.67 from a hospital or other facility.

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.

Prices by location type

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$33.88$20.89 to $58.88
FacilityA hospital or hospital-owned outpatient department$34.67$34.67 to $58.88

How much rates vary

Facilitymedian $35 · 10th to 90th $30 to $87Professionalmedian $34 · 10th to 90th $16 to $74
$20$50$100$200$500facility $35professional $34

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
Facility
Modifier
None
Typical Low
$21.38
Median
$21.38
Typical High
$35.48
Aetna
Setting
Professional
Modifier
None
Typical Low
$20.89
Median
$20.89
Typical High
$28.84
Cigna
Setting
Facility
Modifier
None
Typical Low
$58.88
Median
$58.88
Typical High
$58.88
Cigna
Setting
Professional
Modifier
None
Typical Low
$35.48
Median
$58.88
Typical High
$74.13
Medica
Setting
Facility
Modifier
None
Typical Low
$29.51
Median
$34.67
Typical High
$147.91
Medica
Setting
Professional
Modifier
None
Typical Low
$16.22
Median
$27.54
Typical High
$37.15
Sanford Health Plan
Setting
Professional
Modifier
None
Typical Low
$46.77
Median
$72.44
Typical High
$85.11
United
Setting
Professional
Modifier
None
Typical Low
$12.88
Median
$18.62
Typical High
$33.88
Wellmark
Setting
Professional
Modifier
None
Typical Low
$30.90
Median
$30.90
Typical High
$30.90

Where South Dakota 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.

South Dakota· 14th of 51

$34.67

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.