In US and Canada: For Research Use Only. Not for Use in Diagnostic Procedures.

BIOPHEN™ Factor XIII is a chromogenic assay for FXIII (fibrin-stabilizing factor) activity in citrated plasma. Isopeptidase method measuring FXIII transglutaminase activity. IMPORTANT: Requires photometric reading at 340nm (not standard 405nm) — verify analyzer compatibility before ordering. For FXIII deficiency diagnosis (rare but severe bleeding disorder causing delayed bleeding, poor wound healing, recurrent miscarriage). Calibrate with Plasma Calibrator (222101). CE-IVD.