Porcine FVIII Nijmegen Bethesda assay

Alphabetical Test listing

Porcine FVIII Nijmegen Bethesda assay-994

Porcine FVIII Nijmegen Bethesda assay

To quantitate the titer of FVIII-specific inhibitors to porcine FVIII concentrate

Sodium citrate (Na cit) plasma
1.5 mL
0.75 mL
Note: this volume does not allow for repeat testing
  • Blood should be collected in a blue-top tube containing 3.2% buffered sodium citrate.
  • Evacuated collection tubes must be filled to completion to ensure a proper blood-to-anticoagulant ratio.
  • The sample should be mixed immediately by gentle inversion at least six times to ensure adequate mixing of the anticoagulant with the blood.
  1. Spin
  2. Transfer the plasma to a Screw-cap polypropylene frozen transport vial/tube - 4mL (LabCorp)
  3. Freeze

Frozen (strict)

  • Thawed sample
  • Wrong sample type
Esoterix Coagulation Lab (301608) via LabCorp (504474): R-NX
Weekly (varies)
5 days

One-stage clotting, Nijmegen-modified Bethesda assay


< 0.6 BU/mL

Result 3204-5