Collect sample in Glass Container (see Specimen Container).
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.
Royal Blue top tube (Trace metal-free; EDTA)
Received Frozen. Royal Blue top tube (Trace metal-free; Sodium Heparin). Plastic container. Light Green top tube (Lithium Heparin). Green top tube (Sodium Heparin). Gray top tube (Sodium Fluoride / Potassium Oxalate). Tan top tube - glass (Sodium Heparin). Green top tube (Lithium Heparin).
Rejection criteria pertain to clinical sample submissions only.
Room Temperature: Undetermined
Refrigerated: Undetermined
Frozen (-20 °C): Not Stable