Specimen Collection Requirements
Serum or Plasma, one 5.0 mL gold (SST), 7.0 mL red, 3.0 mL mint green (lithium heparin, PST), or 4.0 lavender (EDTA) top tube
Allow serum to clot completely at room temperature (minimum: 30 minutes). Centrifuge and separate serum or plasma from cells within 1 hour of collection.
0.50 mL Serum/Plasma, (Whole Blood 2.0 mL minimum draw)
Serum or Plasma exposed to gel barrier (SST or PST) for more than 24 hours, grossly hemolyzed specimens
SERUM/PLASMA AFTER SEPARATION FROM CELLS: Ambient (20-25°C): 24 hours; Refrigerated (2-8°C): 1 week; Frozen (0-20°C): 1 month
WHOLE BLOOD: Ambient (20-25°C): 1 hour; Refrigerated (2-8°C): 1 hour, Frozen (0-20°C): Unacceptable
Thursday, January 5, 2017 03:42:19 AM