Collect 2 mL of blood in a heparinised syringe. Expel air bubbles, cap the syringe and roll the specimen between the hands for 15 seconds to gently mix it. Place this in a biohazard specimen bag and then immerse this bag into another bag with crushed ice. Send immediately to Lab. Clotted specimen or air bubble in the specimen will be REJECTED.
Invert blood 5 times after blood collection ensures the anticoagulant is well mixed with the blood. This will ensure results are reliable.
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