E24: Cushing's syndrome
Codes under E24 (Cushing's syndrome). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| E24.0 | Pituitary-dependent Cushing's disease | ✓ |
| E24.0 | Pituitary-dependent Cushing's disease | ✓ |
| E24.1 | Nelson's syndrome | ✓ |
| E24.1 | Nelson's syndrome | ✓ |
| E24.2 | Drug-induced Cushing's syndrome | ✓ |
| E24.2 | Drug-induced Cushing's syndrome | ✓ |
| E24.3 | Ectopic ACTH syndrome | ✓ |
| E24.3 | Ectopic ACTH syndrome | ✓ |
| E24.4 | Alcohol-induced pseudo-Cushing's syndrome | ✓ |
| E24.4 | Alcohol-induced pseudo-Cushing's syndrome | ✓ |
| E24.8 | Other Cushing's syndrome | ✓ |
| E24.8 | Other Cushing's syndrome | ✓ |
| E24.9 | Cushing's syndrome, unspecified | ✓ |
| E24.9 | Cushing's syndrome, unspecified | ✓ |
Frequently asked questions
What is ICD-10-CM code E24?
E24 is an ICD-10-CM category covering Cushing's syndrome. It contains 14 more specific diagnosis codes, 14 of which are billable.
Is E24 a billable code?
No — E24 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example E24.0 — Pituitary-dependent Cushing's disease). 14 of the 14 codes under E24 are billable.
What codes fall under E24?
E24 includes E24.0, E24.0, E24.1, E24.1, E24.2, plus 9 more. See the full list with descriptions and billable status above.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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