All ICD10 Codes

E23

Non-Billable
ChapterE00–E89
Rankcategory
Official Description

Hypofunction and other disorders of the pituitary gland

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
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 4: Endocrine, Nutritional and Metabolic Diseases (E00-E89).

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

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to E23:

blockE20-E35
Disorders of other endocrine glands (E20-E35)
View context instructions
chapterCH4
Endocrine, nutritional and metabolic diseases (E00-E89)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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