ANTITHROMBIN ANTIGEN

SPECIMEN: 1 ML PLASMA

TUBE TYPE: 3.2% SODIUM CITRATE (LIGHT BLUE TOP) TUBES

MINIMUM VOLUME: 0.5 ML

TRANSPORT: FROZEN; PLATELET POOR PLASMA; CENTRIFUGE LIGHT BLUE TOP TUBE 15 MINUTES WITHIN 60 MINUTES OF COLLECTION. USING A PLASTIC PIPETTE, REMOVE PLASMA, TAKING CARE TO AVOID THE WBC/PLATELET BUFFY LAYER AND PLACE INTO A PLASTIC VIAL. CENTRIFUGE A SECOND TIME AND TRANSFER PLATELET POOR PLASMA INTO A NEW PLASTIC VIAL. PLASMA MUST BE FREE OF PLATELETS. FREEZE IMMEDIATELY. PATIENT SHOULD ABSTAIN FROM ANABOLICS STEROIDS, GEMFIBROZIL, WARFARIN (COUMADIN®), HEPARIN THERAPY, ASPARAGINASE, ESTROGENS, GESTODENE AND ORAL CONTRACEPTIVES OPTIMALLY FOR 3 DAYS PRIOR TO SPECIMEN COLLECTION. OVERNIGHT FASTING IS PREFERRED.