Serum(no gel tubes)
1ml Serum in each of two tubes collected-
1) For baseline testosterone
2) 2 hours post HCG administraton
Daily
Collect baseline serum sample(1mL)
Administer 50 IU/kg of human chorionic gonadotropin (HCG) IM.
Collect a second serum sample 2 hours after HCG administration
Centrifuge samples ASAP and separate serum.