Adrenal Insufficiency - Differential Diagnosis Workup Algorithm Primary Adrenal Insufficiency: • Autoimmune primary adrenal insufficiency • Adrenoleukodystrophy, genetic disorder • CAH, tumor metastasis, or tuberculosis Secondary Adrenal Insufficiency: • Infiltrative tumor or apoplexy • Isolated ACTH-deficiency • Combined pituitary hormone deficiency Tertiary Adrenal Insufficiency #Adrenal #Insufficiency #Differential #Diagnosis #Workup #Algorithm #endocrinology