Review symptoms and medical history
Perform physical examination
Check blood pressure, including standing blood pressure
Order morning serum cortisol
Order plasma ACTH
Perform ACTH stimulation test
Measure serum electrolytes
Measure blood glucose
Check plasma renin and aldosterone
Test for adrenal antibodies
Consider adrenal imaging if needed
Evaluate for associated autoimmune conditions
Assess for adrenal crisis if symptoms are severe