E22 Hyperfunction of pituitary gland

⚠ Non-Billable ICD-10-CM 2026
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The ICD-10-CM code for Hyperfunction of pituitary gland is E22 (FY2026). It is a non-billable category code — select a more specific code below for claims.

Classification

Section
E20-E35: Disorders of other endocrine glands (E20-E35)
Category E22
6 codes (5 billable)
FY2026 Status
Stable since FY2024
Excludes1
Not coded here. These conditions should NOT be coded together with E22.
  • 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-)

Official Coding Guidelines

Diabetes mellitus (TOC entry)

a. Diabetes mellitus ................................................................................................................... 39

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.4.a
Obesity (TOC entry)

b. Obesity .................................................................................................................................. 42

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.4.b

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

Cite This Page

Reference E22 with the canonical source and edition:

E22 — Hyperfunction of pituitary gland. ICD-10 Coding Pro (ICD-10-CM FY2026). https://icd10codingpro.com/codes/E22

Canonical URL: https://icd10codingpro.com/codes/E22

Related Codes

More Specific Codes

E22.0 Acromegaly and pituitary gigantism E22.1 Hyperprolactinemia E22.2 Syndrome of inappropriate secretion of antidiuretic hormone E22.8 Other hyperfunction of pituitary gland E22.9 Hyperfunction of pituitary gland, unspecified

All Codes in E22

Every most-specific code under E22 Hyperfunction of pituitary gland (5 codes):

Show the complete E22 code list
E22.0 Acromegaly and pituitary gigantism E22.1 Hyperprolactinemia E22.2 Syndrome of inappropriate secretion of antidiuretic hormone E22.8 Other hyperfunction of pituitary gland E22.9 Hyperfunction of pituitary gland, unspecified
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Reviewed by Prajwal Shrestha, CPC, CRC
Certified Professional Coder (CPC) and Certified Risk Adjustment Coder (CRC) · AAPC Member ID 01997614 · About · Editorial policy · Content last reviewed: 2025-10-01

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