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Factor VIII Inhibitor Kit

Diagnostic Kits

The CRYOcheck™ Factor VIII Inhibitor Kit contains standardized components and a validated procedure to prepare patient samples for performing a modified Nijmegen-Bethesda assay (MNBA) as per the U.S. Centers for Disease Control and Prevention (CDC) recommendation.*

It is ideal for laboratories seeking to standardize sample preparation to limit variability in their MNBA.

  • Each kit contains five vial sets, including positive and negative FVIII inhibitor controls
  • Excellent repeatability and reproducibility; suitable for multi-center clinical studies
  • Excellent linearity across a broad reportable range
  • Convenient frozen format—ready to use within minutes, no reconstitution errors

* Miller CH, Platt SJ, Rice AS, Kelly F, Soucie JM, the Hemophilia Inhibitor Research Study Investigators. Validation of Nijmegen-Bethesda assay modifications to allow inhibitor measurement during replacement therapy and facilitate inhibitor surveillance. J Thromb Haemost 2012; 10: 1055–1061.


Storage and Shelf Life


below -70°C




3 years after manufacturing date

Available Formats

Cat # Format

10 x 1.5 mL (IB-PNP)

10 x 1.5 mL (IB-BSA)

5 x 0.5 mL (Neg Control)

5 x 0.5 mL (Pos Control)

US, Canada, EU, UK, Australia, and New Zealand
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