Two 3 mL lavender (EDTA) or one 5 mL royal blue (EDTA) top tube.

0.5 mL packed RBC cells refrigerated (Min: 0.2 mL)

* Collection Instructions *

• Centrifuge specimen and discard plasma within two hours of collection.
• Transfer RBC's to a trace-element and metal-free plastic transfer vial.

Patient Preparation: Patient should refrain from taking vitamins, or mineral herbal supplements for at least one week before sample collection

Ambient: 7 days

Refrigerated: 7 days

Frozen: Unacceptable

Received frozen