Serum Separator. Collect, allow to clot 30-60 mins. Centrifuge and Refrigerate.
AM, Total or Base line serum Cortisol must be drawn between 7am and 9am.
PM serum Cortisol must be drawn between 3pm and 5pm.
Room Temp 8 hours; Refrigerated 48 hours; Frozen 7 days
1 Day Performed Mon-Sat
To help diagnose adrenal insufficiency and Addison disease, conditions in which the adrenal glands do not function properly.