Immediately following collection, thoroughly mix sample by gently inverting 5 times
Sample can sit up to 24 hours at room temperature before centrifugation.
Gold serum separator (SST) tube
Refrigerated (preferred) - 7 days
Frozen (OK)
Ambient - NO
Chemiluminescent Immunoassay (CIA)
Negative: < 20 CU
Positive: ≥ 20 CU