3 mL (2 mL min.) Whole blood in 1 Lavender Top (EDTA) tube AND 3 mL (2 mL min.) Whole blood in 1 Green Top (Sodium Heparin) tube OR 2 mL (1 mL min.)Bone marrow in 1 Green Top (Sodium heparin) tube. Ship immediately at 18–22°C. DO NOT REFRIGERATE OR FREEZE. Specify time, date and clinical details on test request form.