CRYOcheck™ Prekallikrein Deficient Plasma is fresh-frozen plasma collected by plasmapheresis from a congenital donor who has been assayed to have less than 1% activity for prekallikrein. Other coagulation factors have been assayed and results are provided on the Certificate of Analysis that accompanies each lot number.

• Frozen format eliminates reconstitution errors
• 8-hour stability once thawed if refrigerated at 2 °C to 8 °C in the original capped vial
• Source plasmas are screened negative for all FDA-required tests