Specimen: 3 mL (1.5 mL min.) serum from 1 SST. Collect specimen 4 hours after the patient has awakened. Overnight fasting is preferred. Ship refrigerated or frozen. Stability (Room): 8 hrs Stability (Refrigerated): 24 hrs Stability (Frozen): 2 weeks Method: Chemiluminescent Immunoassay Comment: In females, preferred sampling time is Day 2 / Day 3 of...