Sample Requirements:
SST tube. Morning collection preferred.
Purpose:
Evaluates adrenal function and androgen excess.
High Levels:
PCOS, adrenal tumors, congenital adrenal hyperplasia.
Low Levels:
Adrenal insufficiency, aging.
Reference Range:
Males: 80–560 mcg/dL; Females: 35–430 mcg/dL