E24.9 – Cushing's syndrome, unspecified

ICD-10-CM 2027 diagnosis code · Disorders of other endocrine glands

Billable code

ICD-10-CM code E24.9

Code: E24.9 (claims format: E249)
Description: Cushing's syndrome, unspecified
Billable: Yes – valid for HIPAA-covered transactions
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 4. Endocrine, nutritional and metabolic diseases (E00-E89)
Block: E20-E35 Disorders of other endocrine glands
Parent codes: E24

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

E24 – Cushing's syndrome

Excludes1 (not coded here):

congenital adrenal hyperplasia (E25.0)

Block E20-E35

Excludes1 (not coded here):

galactorrhea (N64.3)
gynecomastia (N62)

Index terms for E24.9

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in E24

E24.0 – Pituitary-dependent Cushing's diseaseBillable
E24.1 – Nelson's syndromeBillable
E24.2 – Drug-induced Cushing's syndromeBillable
E24.3 – Ectopic ACTH syndromeBillable
E24.4 – Alcohol-induced pseudo-Cushing's syndromeBillable
E24.8 – Other Cushing's syndromeBillable

Frequently asked questions

What is ICD-10 code E24.9?

E24.9 is the ICD-10-CM code for cushing's syndrome, unspecified, in the block E20-E35 (Disorders of other endocrine glands).

Is E24.9 a billable code?

Yes. E24.9 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does E24.9 belong to?

It belongs to category E24 – Cushing's syndrome.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.