On endocrinological examination, low basal serum cortisol (2.3 μg/dL; normal: 4.0-18.3) with high serum adrenocorticotropic hormone (ACTH) (843 pg/mL; normal: 7.2-63.3) was observed, indicating primary adrenal insufficiency. Here, POMC is linked to Adrenal insufficiency.