Submit only 1 of the following specimens:

Serum

Draw blood in a plain, red-top tube(s). (Serum gel tube is not acceptable.) Spin down and freeze immediately. Send 5 mL of serum frozen in a plastic vial.

Note:     1. Indicate serum on request form.

             2. Label specimen appropriately (serum).

Plasma

Draw blood in a lavender-top tube(s) or a green-top tube(s). (Plasma gel tube is not acceptable.) Spin down and freeze immediately. Send 5 mL of EDTA or heparinized plasma frozen in a plastic vial.

Note:     1. Indicate plasma on request form.

             2. Label specimen appropriately (plasma).