Centrifuge and separate Plasma within two hours of collection. Leave RBCs in the original collection container and replace stopper. Tubes containing Heparin based anticoagulants are not acceptable.
Plasma: Royal Blue top tube (Trace metal-free; EDTA)
Received Frozen. Royal Blue top tube (Trace metal-free; Sodium Heparin). Light Green top tube (Lithium Heparin). Green top tube (Sodium Heparin). Tan top tube - glass (Sodium Heparin). Green top tube (Lithium Heparin).
Rejection criteria pertain to clinical sample submissions only.
Room Temperature: Undetermined
Frozen (-20 °C): Not Stable