ICD-10-CM E23: Hypofunction and other disorders of the pituitary gland

ICD-10-CM Diagnosis Code (2025)

Official Description for E23

Hypofunction and other disorders of the pituitary gland

Coding Notes & Guidelines for E23

Includes Notes

the listed conditions whether the disorder is in the pituitary or the hypothalamus

Excludes1: Not Coded Here
  • postprocedural hypopituitarism (E89.3)
  • short stature due to endocrine disorder (E34.3-)
Excludes1: Not Coded Here

nephrogenic diabetes insipidus (N25.1)

Excludes1: Not Coded Here
  • Prader-Willi syndrome (Q87.11)
  • Russell-Silver syndrome (Q87.19)
Use Additional Code

code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)

Inclusion Terms
  • Fertile eunuch syndrome
  • Hypogonadotropic hypogonadism
  • Idiopathic growth hormone deficiency
  • Isolated deficiency of gonadotropin
  • Isolated deficiency of growth hormone
  • Isolated deficiency of pituitary hormone
  • Kallmann's syndrome
  • Lorain-Levi short stature
  • Necrosis of pituitary gland (postpartum)
  • Panhypopituitarism
  • Pituitary cachexia
  • Pituitary insufficiency NOS
  • Pituitary short stature
  • Sheehan's syndrome
  • Simmonds' disease
Inclusion Terms
  • Abscess of pituitary
  • Adiposogenital dystrophy

Child Codes (More Specific Codes for E23):

About ICD-10-CM Code E23 (Hypofunction and other disorders of the pituitary gland)

ICD-10-CM code E23 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM E23 became effective on October 1, 2024.

This page provides detailed information about E23 - Hypofunction and other disorders of the pituitary gland. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Hypofunction and other disorders of the pituitary gland.