Specimen Requirements

Submit only 1 of the following specimens:
 
PlasmaDraw blood in a green-top (lithium heparin) plasma gel tube(s). (EDTA, oxalate, or sodium citrate is not acceptable.) Spin down and send 1 mL of lithium heparin plasma refrigerated.

• Separated serum and plasma specimens may be stored for up to 7 days at room temperature or for longer storage, specimens may be stored frozen at -20°C or colder.

Note:  1. Indicate plasma on request form.
2. Label specimen appropriately (plasma).
 
Serum
Draw blood in a serum gel tube(s). (EDTA, oxalate, or sodium citrate is not acceptable.) Spin down and send 1 mL of serum refrigerated.

• Separated serum and plasma specimens may be stored for up to 7 days at room temperature or for longer storage, specimens may be stored frozen at -20°C or colder.

Note:  1. Indicate serum on request form.
2. Label specimen appropriately (serum).

Unspun specimens must transported at ambient temperature and arrive to the laboratory within one hour of draw.