Emergency: 119
AMDA-IMIC

E23 Hypofunction and other disorders of the pituitary gland

Category / Non-billable header 6 subcodes

Block: Disorders of other endocrine glands (E20-E35)

Includes

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

Excludes 1 (cannot be coded together)

  • postprocedural hypopituitarism (E89.3)
  • short stature due to endocrine disorder (E34.3-)

Subcodes

Each subcode links to a detail page with full clinical annotations.

Code Description Billable
E23..0 Hypopituitarism Yes
E23..1 Drug-induced hypopituitarism Yes
E23..2 Diabetes insipidus Yes
E23..3 Hypothalamic dysfunction, not elsewhere classified Yes
E23..6 Other disorders of pituitary gland Yes
E23..7 Disorder of pituitary gland, unspecified Yes

Last reviewed: September 2026