Fibrin-Stabilizing Factor (XIII) Solubility Screen

Delaware 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?

$7.59

Typical negotiated rate. In Delaware, October 2026.

Insurers have agreed to pay about $7.59 for this service. The price depends on where it is billed: about $6.76 from a physician practice, and about $9.12 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 by	Who charges it	Typical	Range
Physician practiceA doctor's office, clinic or independent provider	A doctor's office, clinic or independent provider	$6.76	$5.50 to $10.23
FacilityA hospital or hospital-owned outpatient department	A hospital or hospital-owned outpatient department	$9.12	$7.59 to $19.95

How much rates vary

Facilitymedian $9 · 10th to 90th $6 to $60Professionalmedian $7 · 10th to 90th $4 to $17

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	Facility/Professional	Modifier	Typical Low	Median	Typical High
Aetna Setting Facility Modifier None Typical Low $7.59 Median $7.59 Typical High $19.95	Facility	None	$7.59	$7.59	$19.95
Aetna Setting Professional Modifier None Typical Low $4.79 Median $7.59 Typical High $8.13	Professional	None	$4.79	$7.59	$8.13
Cigna Setting Facility Modifier None Typical Low $5.89 Median $5.89 Typical High $16.98	Facility	None	$5.89	$5.89	$16.98
Cigna Setting Professional Modifier None Typical Low $5.50 Median $10.23 Typical High $60.26	Professional	None	$5.50	$10.23	$60.26
Highmark BCBS Setting Facility Modifier None Typical Low $7.94 Median $9.12 Typical High $60.26	Facility	None	$7.94	$9.12	$60.26
United Setting Professional Modifier None Typical Low $3.80 Median $5.50 Typical High $12.30	Professional	None	$3.80	$5.50	$12.30

Where Delaware 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.

Delaware· 36th of 51

$7.59

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.