Specimen Collection Requirements
Serum or Plasma, one 5.0 mL gold (SST) or 3.0 mL mint green (lithium heparin, PST) top tube
Allow serum to clot completely at room temperature (minimum: 30 minutes). Centrifuge and separate serum or plasma from cells ASAP.
Grossly hemolyzed specimens
AFTER SEPARATION FROM CELLS: Ambient (20-25°C): 24 hours; Refrigerated (2-8°C): 7 days; Frozen (at or below -20°C): 1 month
Samaritan Health Services Laboratories
Thursday, January 5, 2017 03:42:19 AM