BIOPHEN™ Abnormal Control Plasma is a multi-parameter quality control plasma at reduced (pathological) concentration levels. Reduced values for AT, PC, PS, and other parameters — verifies assay performance at clinically abnormal levels where diagnostic decisions are made. Pair with Normal Control (223201) for complete two-level QC. FDA 510(k) cleared. CE-IVD. 10x1 mL.