1. Cushing==>
check ACTH/Cortisol(08:00 and 23:00)
urine cortisol
2. Pheochromocytoma==>
check 24-hour urinary metanephrines and catecholamines
3. Aldosteronomas==>
check Na/K, Renin activity and aldosterone
Please also check 24-hr urine Na/K/Cr at the same time
