E23 - Hypofunction and other disorders of the pituitary gland
Includes:
-the listed conditions whether the disorder is in the pituitary or the hypothalamus
Excludes 1:
-postprocedural hypopituitarism E89.3)
E23.0 - Hypopituitarism
E23.1 - Drug-induced hypopituitarism
E23.2 - Diabetes insipidus
E23.3 - Hypothalamic dysfunction, not elsewhere classified
E23.6 - Other disorders of pituitary gland
E23.7 - Disorder of pituitary gland, unspecified