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Fibrin-Stabilizing Factor (XIII) Solubility Screen

Rhode Island rates for HCPCS 85291

Screens for a shortage of the clotting protein that stabilizes fibrin, the mesh holding a blood clot together, known as factor XIII. A clot formed from the blood sample is placed in a solution and watched: a clot that dissolves points to a deficiency, while a clot that holds together does not. The answer is yes-or-no rather than a measured level or activity figure.

Rates data updated October 2026.

How much does Fibrin-Stabilizing Factor (XIII) Solubility Screen cost?

$9.33

Typical negotiated rate. In Rhode Island, October 2026.

Insurers have agreed to pay about $9.33 for this service. The price depends on where it is billed: about $8.13 from a physician practice, and about $11.22 from a hospital or other facility.

Few insurers publish rates for this combination, so treat this figure as a rough guide.

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 4 insurance carriers under federal price transparency rules.

Prices by location type

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$8.13$6.46 to $13.18
FacilityA hospital or hospital-owned outpatient department$11.22$10.96 to $18.20

How much rates vary

Facilitymedian $11 · 10th to 90th $10 to $32Professionalmedian $8 · 10th to 90th $5 to $15
$5$10$20facility $11professional $8

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
$7.94
Median
$9.33
Typical High
$9.33
BCBS Rhode Island
Setting
Facility
Modifier
None
Typical Low
$10.47
Median
$10.96
Typical High
$18.20
BCBS Rhode Island
Setting
Professional
Modifier
None
Typical Low
$5.13
Median
$6.76
Typical High
$17.78
Cigna
Setting
Facility
Modifier
None
Typical Low
$8.32
Median
$21.38
Typical High
$37.15
Cigna
Setting
Professional
Modifier
None
Typical Low
$6.46
Median
$10.23
Typical High
$13.18
United
Setting
Facility
Modifier
None
Typical Low
$10.96
Median
$10.96
Typical High
$10.96
United
Setting
Professional
Modifier
None
Typical Low
$3.80
Median
$7.41
Typical High
$15.14

Where Rhode Island sits

The same service costs 5.9 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.

Rhode Island· 23rd of 51

$9.33

KS $32.36AL $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.