Collect: Green (sodium or lithium heparin). Collect on ice.
Specimen Preparation: Separate plasma from cells and freeze within 15 minutes of draw time. Specimens need to be spun in a refrigerated centrifuge. Transfer 2 mL plasma to an ARUP Standard Transport Tube. (Min: 0.25 mL)
Storage/Transport Temperature:CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered.
Unacceptable Conditions: Serum or blood. Non-frozen specimens. Specimens containing oxalate or citrate
Stability (collection to initiation of testing): After separation from cells: Ambient: Unacceptable; Refrigerated: 2 hours; Frozen: 3 weeks (do not thaw)
