1 SST/2.0 mL serum. After 30 minutes of clotting, promptly centrifuge and refrigerate serum.
Room temp 4 days; Refrigerated 14 days; Frozen 28 days
3-5 days Setup Sun-Fri pm
Evaluate for ovarian estrogen producing tumor in the premenarcheal and postmenopausal female; evaluate estrogen excess in males. Estrogen analysis may be helpful in establishing time of ovulation and optimal time for conception. Serial samples must be collected over several days to evaluate baseline and peak total estrogen levels.