Green top micro vial (with gel), green top micro vial (no gel) or 2 hematocrit tubes, slide holder.
Specimen
Submit all three:
• 0.5 mL heparinized plasma in 2 green top micro vials (with gel)
• 0.5 mL heparinized whole blood in green top micro vial (no gel)
• 2 freshly prepared blood smears in slide holder