Patients should be fasting prior to specimen collection
Immediatley following collection, mix sample by gently inverting 5 times
1. Allow sample to clot for a minimum of 30 minutes
2. Spin within two (2) hours of sample collection
Gold serum separator (SST) tube
Ambient (preferred) - 14 days
Refrigerated - 14 days
Frozen - 14 days
Immunologic
< 14.11 mg/dL