ICD-10 E24
Non-Billable HeaderCushing's syndrome
About ICD-10-CM E24
ICD-10-CM code E24 represents Cushing's syndrome. This is a non-billable header code in the Endocrine, Nutritional, and Metabolic chapter (block E24). The 2026 edition of ICD-10-CM E24 became effective on October 1, 2025. Non-billable codes cannot be used as a primary or secondary diagnosis on a claim, use a more specific child code instead.
Type 1 Excludes
Pure excludes, these codes can never be coded together with E24. The conditions are mutually exclusive (e.g., congenital vs acquired forms).
- congenital adrenal hyperplasia (E25.0)
Medicare LCD Coverage for E24
Local Coverage Determinations (LCDs) from CMS MACs that list E24 as a covered diagnosis.
This doesn't mean the code isn't covered, it means no MAC has issued a Local Coverage Determination naming this specific code. Coverage may still apply under National Coverage Determinations or general medical-necessity rules.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing E24.
1 Cigna
CPT Codes Commonly Billed with E24
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
We don't have CPT pairings indexed for this specific code yet. Use the CPT search above to find common procedures, or check your payer's published medical policy for code-specific guidance.
Codes Adjacent To E24
Other codes in section E20-E35 (Disorders of other endocrine glands).
ICD-10 E24, Billing FAQ
Is ICD-10 code E24 billable? +
No, E24 is a non-billable header code. Use a more specific child code from block E24 when submitting claims.
What codes are Type 1 Excludes for E24? +
Type 1 Excludes (never code together with E24): congenital adrenal hyperplasia (E25.0)
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on May 31, 2026.
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