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 /
E31 Polyglandular dysfunction

  Billable ICD-10-CM Code E31.1
E31.1
Polyglandular hyperfunction
excludes1
multiple endocrine adenomatosis (E31.2-)
multiple endocrine neoplasia (E31.2-)