Collection Mix well and send immediately to the laboratory on ice. Must be delivered to the laboratory within 1 hour of collection. If testing is delayed, centrifuge specimen, remove, and freeze plasma (-30°C).
Storage Instructions Transport specimen to the laboratory immediately on ice. Freeze plasma at -30°C if sample cannot be processed immediately.
Causes for Rejection Clotted or hemolyzed specimen, heparin contamination, improperly filled specimen tube, tube not iced, delay more than 1 hour in delivery to the laboratory, specimen does not meet labeling requirements