Gold serum separator (SST) tube
Immediately following collection, thoroughly mix sample by gently inverting 5 times
Red serum vial/tube - 5 mL
Transfer vial/tube with cap - 12mL (LabCorp)
Ambient (preferred) - 14 days
Refrigerated - 14 days
Frozen - 14 days
Freeze/thaw cycles - stable x3
Immunofluorescence
Negative