E23.1 Description: Drug-induced hypopituitarism Use Additional Code:
code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
↓
E23 Description: Hypofunction and other disorders of the pituitary gland Exclude1:
postprocedural hypopituitarism (E89.3)
short stature due to endocrine disorder (E34.3-)
Include:
the listed conditions whether the disorder is in the pituitary or the hypothalamus
↓
E20-E35 Description: Disorders of other endocrine glands (E20-E35) Exclude1:
galactorrhea (N64.3)
gynecomastia (N62)
↓
E00-E89 Description: Endocrine, nutritional and metabolic diseases Exclude1:
transitory endocrine and metabolic disorders specific to newborn (P70-P74)
Notes:
All neoplasms, whether functionally active or not, are classified in Chapter 2. Appropriate codes in this chapter (i.e. E05.8, E07.0, E16-E31, E34.-) may be used as additional codes to indicate either functional activity by neoplasms and ectopic endocrine tissue or hyperfunction and hypofunction of endocrine glands associated with neoplasms and other conditions classified elsewhere.