METANEPHRINES, FRAC,. PLASMA, FREE

SPECIMEN: 2.5 ML PLASMA

TUBE TYPE: LAVENDER TOP (EDTA) TUBE

MINIMUM VOLUME: 1.5 ML

TRANSPORT: REFRIGERATE; DRAW SPECIMEN IN A PRE-CHILLED EDTA LAVENDER-TOP VACUTAINER®. THE WHOLE BLOOD SAMPLE SHOULD BE KEPT ON WET ICE UNTIL CENTRIFUGED (PREFERABLY AT 4° C) TO SEPARATE THE PLASMA WITHIN 2 HOURS OF VENIPUNCTURE. AFTER CENTRIFUGATION, THE PLASMA SHOULD BE TRANSFERRED TO A PLASTIC, LEAK-PROOF VIAL AND IMMEDIATELY REFRIGERATED. PATIENT SHOULD AVOID ALCOHOL, COFFEE, TEA, TOBACCO AND STRENUOUS EXERCISE PRIOR TO COLLECTION. OVERNIGHT FASTING IS PREFERRED.PATIENTS SHOULD BE RELAXED IN EITHER A SUPINE OR UPRIGHT POSITION BEFORE BLOOD IS DRAWN.