ICD-10-CM>E00-E89>E20-E35>E22E22Hyperfunction of pituitary glandNon-Billable/Non-SpecificType 1 ExcludesCushing's syndrome (E24.-)Nelson's syndrome (E24.1)overproduction of ACTH not associated with Cushing's disease (E27.0)overproduction of pituitary ACTH (E24.0)overproduction of thyroid-stimulating hormone (E05.8-)CodesE22.0Acromegaly and pituitary gigantismE22.1HyperprolactinemiaE22.2Syndrome of inappropriate secretion of antidiuretic hormoneE22.8Other hyperfunction of pituitary glandE22.9Hyperfunction of pituitary gland, unspecified