One 7.5 mL serum separator tube (SST). Also acceptable: One 4 mL green top tube (heparin) or one 4.5 mL plasma separator tube (PST).
Handling:
Protect specimen from light by wrapping tube in foil. Centrifuge SST or PST within 2 hours of collection, refrigerate, and transport in original tube. Centrifuge green tube within 2 hours of collection, separate plasma from cells, pour into a plastic vial and refrigerate for transport. Wrap separated plasma specimen in foil.
Standard Volume:
2 mL serum or plasma.
Minimum Volume:
0.5 mL serum or plasma.
Transport:
Refrigerated.
Comments:
Exposure to light causes a decrease of bilirubin in the specimen.