Platelet Count EDTA

Platelet Count EDTA

Preferred Specimen(s) 3 ml whole blood collected lavender top EDTA tube

Instructions Do not refrigerate

Transport Container Sodium citrate (light blue-top) tube

Transport Temperature Room temperature, stable 48 hours

Reject Criteria

• Gross hemolysis
• Clotted

Methodology Cell counting and Microscopy

Clinical Significance Used to evaluate patient’s suspected of EDTA mediated platelet clumping. Platelets must be present in adequate numbers and have proper function to aid in hemostasis.

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