Sample Requirements:
1 SST tube, AM sample preferred
Purpose:
Assesses adrenal function; helps diagnose Addison's or Cushing's syndromes.
High Levels:
May suggest Cushing’s syndrome or stress response.
Low Levels:
Suggests adrenal insufficiency (Addison’s disease).
Reference Range:
AM: 6–18 µg/dL; PM: 2–6 µg/dL