CRYOcheck™ Lupus Positive Control is intended for use as a positive control in assays for lupus anticoagulant (LA). CRYOcheck Lupus Positive Control contains citrated human plasma collected from donors that have tested positive in accordance with the revised criteria of the SSC Subcommittee for the Standardization of Lupus Anticoagulants.

• 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