Specimen Requirements

Submit only 1 of the following specimens:

Plasma
Draw blood in a green-top (lithium heparin) tube(s).  Spin down and send 1 mL of lithium heparin plasma refrigerated.

Note:  1. Date or time of last dose is required on request form for processing.

2. Indicate plasma on request form.
3. Label specimen appropriately (plasma).

Serum

Draw blood in a gold-top tube.  Spin down and send 1 mL of serum refrigerated.

Note:  1. Date and time of last dose is required on request form for processing.

2. Indicate serum on request form.
3. Label specimen appropriately (serum).