Sample Requirements:
Morning fasting sample, SST and EDTA tubes
Purpose:
Evaluates adrenal function and stress response via cortisol, ACTH, and DHEA-S levels. Used in adrenal fatigue and HPA axis assessments.
Reference Range:
Cortisol (AM): 6–23 mcg/dL; ACTH: 10–60 pg/mL; DHEA-S: 80–560 mcg/dL