All ICD10 Codes
E23Non-billable

Hypofunction and other disorders of the pituitary gland

Endocrine, Nutritional and Metabolic Diseases·Disorders of other endocrine glands (E20-E35)·category·FY 2026

Use a more specific code (6 billable)
E23.0HypopituitarismE23.1Drug-induced hypopituitarismE23.2Diabetes insipidusE23.3Hypothalamic dysfunction, not elsewhere classifiedE23.6Other disorders of pituitary glandE23.7Disorder of pituitary gland, unspecified

CH4 Parent Instructions

Excludes1(Not coded here. Use a different code.)
  • transitory endocrine and metabolic disorders specific to newborn (P70-P74)

E20-E35 Parent Instructions

Excludes1(Not coded here. Use a different code.)

Instructional Notes

Includes
  • the listed conditions whether the disorder is in the pituitary or the hypothalamus
Excludes1(Not coded here. Use a different code.)
  • postprocedural hypopituitarism (E89.3)
  • short stature due to endocrine disorder (E34.3-)

Clinical Hierarchy

BillableHas subcodes
CH4Endocrine, nutritional and metabolic diseases (E00-E89)
E20-E35Disorders of other endocrine glands (E20-E35)
E23Hypofunction and other disorders of the pituitary glandNot billable
E23.0HypopituitarismBillable
E23.1Drug-induced hypopituitarismBillable
E23.2Diabetes insipidusBillable
E23.3Hypothalamic dysfunction, not elsewhere classifiedBillable
E23.6Other disorders of pituitary glandBillable
E23.7Disorder of pituitary gland, unspecifiedBillable

MS-DRG Classification

2026

No direct MS-DRG triggers identified.