E24

⚠ Non-billable (Header)

Cushing's syndrome

Endocrine, nutritional and metabolic diseases (E00-E89)

⚠️ This is a category header code — not billable. Use a more specific child code below.

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❌ Excludes1

direct

These codes are mutually exclusive. Never code them together.

• congenital adrenal hyperplasia (E25.0)

Child Codes (7)

E24.0Pituitary-dependent Cushing's disease✓ Billable E24.1Nelson's syndrome✓ Billable E24.2Drug-induced Cushing's syndrome✓ Billable E24.3Ectopic ACTH syndrome✓ Billable E24.4Alcohol-induced pseudo-Cushing's syndrome✓ Billable E24.8Other Cushing's syndrome✓ Billable E24.9Cushing's syndrome, unspecified✓ Billable

Clinical Description

ICD-10-CM code E24 represents cushing's syndrome. This code falls under the Endocrine, nutritional and metabolic diseases (E00-E89) classification. It is a non-billable category header code. A more specific child code from the list below must be used for billing and reimbursement purposes.

Frequently Asked Questions

What is ICD-10 code E24?

ICD-10-CM code E24 is "Cushing's syndrome". It belongs to the category: Endocrine, nutritional and metabolic diseases (E00-E89).

Is E24 a billable ICD-10 code?

No, E24 is a non-billable header code. A more specific child code must be used for billing.

What codes are excluded with E24?

E24 has 1 Excludes1 rule(s). These codes are mutually exclusive and cannot be coded together on the same claim.

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Code Information

CodeE24

BillableNo — Header code

CategoryEndocrine, nutritional and metabolic diseases (E00-E89)

Excludes11 rule(s)

Excludes20 note(s)

Child codes7

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)