Sample Requirements:
Morning draw preferred, SST and EDTA tubes
Purpose:
Evaluates the effects of chronic stress on adrenal and thyroid function by analyzing cortisol, DHEA-S, ACTH, and TSH.
Reference Range:
Cortisol (AM): 6–23 mcg/dL; ACTH: 10–60 pg/mL; TSH: 0.45–4.5 µIU/mL