2026 ICD-10-CM Diagnosis Code E24Cushing's syndrome

ICD-10-CM Codes›E00–E89›E20-E35›E24

ICD-10-CM E24
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

E24 is a non-billable ICD-10-CM category code for Cushing's syndrome, so it cannot be submitted on claims. Use a more specific code from this category instead, such as E24.0, E24.1, E24.2, and E24.3.

Code Identity

ICD-10-CM Code
E24
Billable Status
No — Non-Billable Category
Code Describes
Cushing's syndrome
Chapter
E20-E35
Disorders of other endocrine glands

Code Classification

ChapterE00–E89Endocrine, nutritional and metabolic diseases
SectionE20-E35Disorders of other endocrine glands
CategoryE24Cushing's syndrome
This CodeE24Cushing's syndrome

Specific Coding for Cushing's syndromeOverview

Non-specific codes like E24 require more characters. Use one of these billable codes instead:

  • Use E24.0 for Pituitary-dependent Cushing's disease

  • Use E24.1 for Nelson's syndrome

  • Use E24.2 for Drug-induced Cushing's syndrome

  • Use E24.3 for Ectopic ACTH syndrome

  • Use E24.4 for Alcohol-induced pseudo-Cushing's syndrome

  • Use E24.8 for Other Cushing's syndrome

  • Use E24.9 for Cushing's syndrome, unspecified

Tabular List NotesGuidance

Coding notes and annotation back-references applicable to this code.

Type 1 Excludes

  • congenital adrenal hyperplasia E25.0

Patient EducationClinical

Cushing's Syndrome

Cushing's syndrome is a hormonal disorder. The cause is long-term exposure to too much cortisol, a hormone that your adrenal gland makes. Sometimes, taking synthetic hormone medicine to treat an inflammatory disease leads to Cushing's. Some kinds of tumors produce a hormone that can cause your body to make too much cortisol.

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About E24Overview

Is E24 (Cushing's syndrome) a billable code?

No. This is a category header that groups the codes for Cushing's syndrome, and headers cannot be submitted on claims. Claims for Cushing's syndrome need a more specific code from this category, such as E24.0, E24.1, and E24.2.