Collection Notes: Avoid hemolyzed specimens.
Clinical Utility: Useful in assessing hirsutism and masculinization in women or testicular function in males.
Serum (1 mL)
Ambient 48 Hours
Refrigerated 7 Days
Frozen >7 Days
Plasma (1 mL), Li or Na heparin or EDTA
Ambient 48 Hours
Refrigerated 7 Days
Frozen >7 Days
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