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Fibrin-Stabilizing Factor (XIII) Solubility Screen

Florida 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?

$8.91

Typical negotiated rate. In Florida, October 2026.

Insurers have agreed to pay about $8.91 for this service. The price depends on where it is billed: about $7.24 from a physician practice, and about $16.98 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 8 insurance carriers under federal price transparency rules.

Prices by location type

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$7.24$5.50 to $10.23
FacilityA hospital or hospital-owned outpatient department$16.98$9.77 to $16.98

How much rates vary

Facilitymedian $17 · 10th to 90th $9 to $48Professionalmedian $7 · 10th to 90th $4 to $35
$5$10$20$50$100facility $17professional $7

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
Facility
Modifier
None
Typical Low
$7.24
Median
$8.32
Typical High
$24.55
Aetna
Setting
Professional
Modifier
None
Typical Low
$7.24
Median
$7.76
Typical High
$8.71
Aetna
Setting
Professional
Modifier
52 · Reduced service
Typical Low
$3.63
Median
$3.89
Typical High
$4.17
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$1.45
Median
$1.55
Typical High
$1.66
Ambetter
Setting
Professional
Modifier
None
Typical Low
$5.37
Median
$5.37
Typical High
$5.37
AvMed
Setting
Facility
Modifier
None
Typical Low
$7.24
Median
$9.12
Typical High
$11.22
AvMed
Setting
Professional
Modifier
None
Typical Low
$7.24
Median
$9.12
Typical High
$12.88
Cigna
Setting
Facility
Modifier
None
Typical Low
$6.17
Median
$10.96
Typical High
$37.15
Cigna
Setting
Professional
Modifier
None
Typical Low
$4.79
Median
$9.55
Typical High
$17.38
Florida Blue
Setting
Facility
Modifier
None
Typical Low
$9.12
Median
$16.98
Typical High
$58.88
Florida Blue
Setting
Professional
Modifier
None
Typical Low
$5.50
Median
$7.08
Typical High
$12.30
Molina
Setting
Professional
Modifier
None
Typical Low
$1.10
Median
$4.37
Typical High
$6.46
United
Setting
Facility
Modifier
None
Typical Low
$9.12
Median
$9.12
Typical High
$30.20
United
Setting
Professional
Modifier
None
Typical Low
$3.80
Median
$5.50
Typical High
$54.95
Wellpoint
Setting
Professional
Modifier
None
Typical Low
$5.50
Median
$5.50
Typical High
$9.12

Where Florida 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.

Florida· 29th of 51

$8.91

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.