Specimen Preparation: Allow to clot at room temperature for 20-60 minutes. Transfer 1 mL serum to an ARUP Standard Transport Tube. Separate from clot and freeze at -70°C or on dry ice within 2 hours of draw. (Min: 1 mL)
Storage/Transport Temperature:CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered.
Unacceptable Conditions: Serum separator tubes.
Stability (collection to initiation of testing): Ambient: Unacceptable; Refrigerated: Unacceptable; Frozen: 3 months