ICD-10-CM Book 2025 Edition

Chapters ICD-10-CM Book Table of Content /
chapter 4 E00-E89 Endocrine, nutritional and metabolic diseases /
E20-E35 Disorders of other endocrine glands /
E23 Hypofunction and other disorders of the pituitary gland

  Billable ICD-10-CM Code E23.3
E23.3
Hypothalamic dysfunction, not elsewhere classified
excludes1
Prader-Willi syndrome (Q87.11)
Russell-Silver syndrome (Q87.19)