Hereditary central diabetes insipidus is a rare genetic subtype of central diabetes insipidus (CDI) characterized by polyuria and polydipsia due to a deficiency in vasopressin (AVP) synthesis. The disease is neurohypophyseal diabetes insipidus (MONDO_0007450). Also known as: ADH deficiency, AVP deficiency, Arginine vasopressin deficiency, antidiuretic hormone deficiency, diabetes insipidus of pituitary gland, hereditary CDI, hereditary neurogenic diabetes insipidus, pituitary diabetes insipidus.