| E211 | Secondary hyperparathyroidism, not elsewhere classified |
| E212 | Other hyperparathyroidism |
| E213 | Hyperparathyroidism, unspecified |
| E214 | Other specified disorders of parathyroid gland |
| E215 | Disorder of parathyroid gland, unspecified |
| E22 | Hyperfunction of pituitary gland |
| E220 | Acromegaly and pituitary gigantism |
| E221 | Hyperprolactinemia |
| E222 | Syndrome of inappropriate secretion of antidiuretic hormone |
| E228 | Other hyperfunction of pituitary gland |
| E229 | Hyperfunction of pituitary gland, unspecified |
| E23 | Hypofunction and other disorders of the pituitary gland |
| E230 | Hypopituitarism |
| E231 | Drug-induced hypopituitarism |
| E232 | Diabetes insipidus |
| E233 | Hypothalamic dysfunction, not elsewhere classified |
| E236 | Other disorders of pituitary gland |
| E237 | Disorder of pituitary gland, unspecified |
| E24 | Cushing's syndrome |
| E240 | Pituitary-dependent Cushing's disease |
| E241 | Nelson's syndrome |
| E242 | Drug-induced Cushing's syndrome |
| E243 | Ectopic ACTH syndrome |
| E244 | Alcohol-induced pseudo-Cushing's syndrome |
| E248 | Other Cushing's syndrome |
| E249 | Cushing's syndrome, unspecified |
| E25 | Adrenogenital disorders |
| E250 | Congenital adrenogenital disorders assoc w enzyme deficiency Congenital adrenogenital disorders associated with enzyme deficiency |
| E258 | Other adrenogenital disorders |
| E259 | Adrenogenital disorder, unspecified |
| E26 | Hyperaldosteronism |
| E260 | Primary hyperaldosteronism |
| E2601 | Conn's syndrome |
| E2602 | Glucocorticoid-remediable aldosteronism |
| E2609 | Other primary hyperaldosteronism |
| E261 | Secondary hyperaldosteronism |
| E268 | Other hyperaldosteronism |
| E2681 | Bartter's syndrome |
| E2689 | Other hyperaldosteronism |
| E269 | Hyperaldosteronism, unspecified |
| E27 | Other disorders of adrenal gland |
| E270 | Other adrenocortical overactivity |
| E271 | Primary adrenocortical insufficiency |
| E272 | Addisonian crisis |
| E273 | Drug-induced adrenocortical insufficiency |
| E274 | Other and unspecified adrenocortical insufficiency |
| E2740 | Unspecified adrenocortical insufficiency |
| E2749 | Other adrenocortical insufficiency |
| E275 | Adrenomedullary hyperfunction |
| E278 | Other specified disorders of adrenal gland |