E22.1 Description: Hyperprolactinemia Use Additional Code:
code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
↓
E22 Description: Hyperfunction of pituitary gland Exclude1:
Cushing'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-)
↓
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.