Specimen Required

Container/Tube:
Preferred: Serum gel
Acceptable:  
Specimen Volume: 2.0 mL

Collection Instructions:

Serum gel tubes should be fully clotted and centrifuged within 2 hours of collection. 
Transfer serum to a plastic transport tube.
Refrigerate.
Note: Do not collect samples from patients receiving therapy with high biotin doses (>5 mg/day) until at least 8 hours following the last biotin administration. Note: Do not collect samples from patients receiving nandrolone treatment.