Submit oneof the following specimens: Plasma Draw a full, 3-mL green-top (lithium heparin) tube. Spin down immediately and send entire tube refrigerated. Avoid hemolysis. Wrap specimen in foil to protect from light.
Serum Draw a full, 6-mL plain, red-top tube or a full, 3.5-mL serum gel tube. Allow blood to clot, immediately spin down, and send entire tube refrigerated. Avoid hemolysis. Wrap specimen in foil to protect from light. Note: 1. Indicate serum on request form. 2. Label specimen with two patient identifiers, date, time of collection and collector's identification.
