One 7.5 mL serum separator tube (SST). Also acceptable: Light green top plasma separator tube (PST), red top tube, or green top tube (heparin).
Handling:
Allow to clot, centrifuge and separate serum or plasma from cells within 2 hours. Refrigerate. Freeze if specimen cannot be assayed within 48 hours. Allow no more than one freeze/thaw cycle.
Standard Volume:
0.5 mL serum or plasma.
Minimum Volume:
100 uL serum or plasma.
Transport:
Refrigerated if received in laboratory within 48 hours of collection; frozen on dry ice if submitted by client outside Eugene/Springfield area.
Rejection Criteria:
Specimen frozen and thawed more than once; refrigerated specimen received in laboratory more than 48 hours after collection; EDTA plasma.