All ICD10 Codes

E22

Non-Billable
ChapterE00–E89
Rankcategory
Official Description

Hyperfunction of pituitary gland

Use a more specific code (5 billable)
E22.0Acromegaly and pituitary gigantismE22.1HyperprolactinemiaE22.2Syndrome of inappropriate secretion of antidiuretic hormoneE22.8Other hyperfunction of pituitary glandE22.9Hyperfunction 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

Excludes1(Not coded here. Use a different code.)
  • Cushing's syndrome (E24.-)
  • Nelson's syndrome (E24.1)
  • overproduction of ACTH not associated with Cushing's disease (E27.0)
  • overproduction of pituitary ACTH (E24.0)
  • overproduction of thyroid-stimulating hormone (E05.8-)

Clinical Hierarchy

BillableHas subcodes
CH4Endocrine, nutritional and metabolic diseases (E00-E89)
E20-E35Disorders of other endocrine glands (E20-E35)
E22Hyperfunction of pituitary glandNot billable
E22.0Acromegaly and pituitary gigantismBillable
E22.1HyperprolactinemiaBillable
E22.2Syndrome of inappropriate secretion of antidiuretic hormoneBillable
E22.8Other hyperfunction of pituitary glandBillable
E22.9Hyperfunction of pituitary gland, unspecifiedBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to E22:

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

Find Procedures (ICD-10-PCS)

Find surgical and procedural codes related to Hyperfunction of pituitary gland.

Search PCS Codes