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Fibrin-Stabilizing Factor (XIII) Solubility Screen

California 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 July 2026.

Facilitymedian $27 · 10th–90th $10$1000%10%10th90th$27Professionalmedian $10 · 10th–90th $5$400%10%20%10th90th$10$2.0$10.0$50.0$200.0$1.0K$5.0K

Distribution of negotiated rates across all payers (price axis is log-scale). Facility and professional rates are different services and are charted separately. Need provider-level prices? Contact us.

Insurance Carrier
Aetna
Setting
Facility
Modifier
Global
Typical Low
$15.49
Median
$38.02
Typical High
$102.33
Aetna
Setting
Professional
Modifier
Global
Typical Low
$6.76
Median
$10.47
Typical High
$60.26
Ambetter
Setting
Professional
Modifier
Global
Typical Low
$16.60
Median
$16.60
Typical High
$16.60
Anthem BCBS
Setting
Facility
Modifier
Global
Typical Low
$5.13
Median
$23.44
Typical High
$45.71
Anthem BCBS
Setting
Professional
Modifier
Global
Typical Low
$4.37
Median
$7.41
Typical High
$32.36
Blue Shield
Setting
Facility
Modifier
Global
Typical Low
$21.38
Median
$64.57
Typical High
$125.89
Blue Shield
Setting
Professional
Modifier
Global
Typical Low
$7.08
Median
$10.23
Typical High
$25.70
Cigna
Setting
Facility
Modifier
Global
Typical Low
$6.92
Median
$16.22
Typical High
$33.11
Cigna
Setting
Professional
Modifier
Global
Typical Low
$5.25
Median
$10.23
Typical High
$21.88
Contra Costa Health
Setting
Professional
Modifier
Global
Typical Low
$7.94
Median
$9.12
Typical High
$14.45
Kaiser Permanente
Setting
Professional
Modifier
Global
Typical Low
$7.24
Median
$9.12
Typical High
$26.92
Lucent Health
Setting
Facility
Modifier
Global
Typical Low
$70.79
Median
$70.79
Typical High
$100.00
Molina
Setting
Professional
Modifier
Global
Typical Low
$4.57
Median
$4.57
Typical High
$9.12
Providence
Setting
Facility
Modifier
Global
Typical Low
$7.41
Median
$10.96
Typical High
$28.84
Providence
Setting
Professional
Modifier
Global
Typical Low
$5.25
Median
$8.32
Typical High
$21.88
Sutter Health Plus
Setting
Professional
Modifier
Global
Typical Low
$31.62
Median
$31.62
Typical High
$31.62
The Alliance
Setting
Professional
Modifier
Global
Typical Low
$7.24
Median
$9.33
Typical High
$15.49
United
Setting
Facility
Modifier
Global
Typical Low
$3.80
Median
$6.61
Typical High
$10.47
United
Setting
Professional
Modifier
Global
Typical Low
$3.80
Median
$5.50
Typical High
$18.62