POMC and Adrenal insufficiency: On the day of hypoglycemia, the patient’s serum cortisol was 17.3 μg/dL (reference range: 4.0-18.3), adrenocorticotropic hormone (ACTH) was 90.3 pg/mL (7.2-63.3), and serum sodium was 141 mmol/L (135-145), with no findings suggestive of adrenal insufficiency.