Processing Instructions

Patient should be fasting and at complete rest. Patient should avoid any exercise of the arm and hand before or during collection.

Draw the specimen without the use of a tourniquet or within 3 minutes of applying the tourniquet, but before releasing the tourniquet.

Immediately after blood sample has been obtained, add 1.0 mL whole blood to a chilled collection tube containing 2 mL 8% (W/V) perchloric acid. Mix well for 30 seconds and place in an ice bath for 10 minutes. Centrifuge for 10 minutes at 1500 x g (2550 RPM). Decant 2.0 mL supernatant and send in screw capped plastic vial. Frozen.