E24 – Cushing's syndrome
ICD-10-CM 2027 diagnosis code · Disorders of other endocrine glands
ICD-10-CM code
E24
- Code
E24(claims format:E24)- Description
- Cushing's syndrome
- Billable
- No – use a more specific code below
- 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
Billable codes under E24
E24 is a header code and cannot be used on claims. Choose the most specific code:
- 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
- E24.9 – Cushing's syndrome, unspecifiedBillable
Notes for E24
Excludes1 (not coded here):
- congenital adrenal hyperplasia (E25.0)
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
Block E20-E35
Frequently asked questions
What is ICD-10 code E24?
E24 is the ICD-10-CM code for cushing's syndrome, in the block E20-E35 (Disorders of other endocrine glands).
Is E24 a billable code?
No. E24 is a header code with more specific child codes; report one of the billable codes listed above.
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.