ICD-10 Code for Cushing's Syndrome
The ICD-10-CM code for cushing's syndrome is E24.9 — Cushing's syndrome, unspecified. It is billable for FY2027.
Cushing's syndrome ICD-10 codes at a glance
| Condition | Cushing's syndrome |
|---|---|
| Code | E24.9 — Cushing's syndrome, unspecified |
| Billable | Yes (E24.9) |
| Alphabetic Index entry | Syndrome, Cushing's |
| Code set | ICD-10-CM FY2027, valid October 1, 2026 – September 30, 2027 |
What changes the cushing's syndrome code?
The Alphabetic Index lists these qualifiers under Syndrome, Cushing's. If the record documents one of them, the code changes. Verify the code in the Tabular List before reporting it.
| alcohol-induced | E24.4 | Alcohol-induced pseudo-Cushing's syndrome |
| due to › drugs | E24.2 | Drug-induced Cushing's syndrome |
| due to › ectopic ACTH | E24.3 | Ectopic ACTH syndrome |
| due to › overproduction of pituitary ACTH | E24.0 | Pituitary-dependent Cushing's disease |
| drug-induced | E24.2 | Drug-induced Cushing's syndrome |
| pituitary-dependent | E24.0 | Pituitary-dependent Cushing's disease |
| specified type NEC | E24.8 | Other Cushing's syndrome |
What else changes the cushing's syndrome code?
E24.0, pituitary-dependent Cushing's disease, is the specific pituitary-tumor form — not a synonym for Cushing's syndrome generally. Drug-induced Cushing's syndrome (E24.2) takes an additional code identifying the causative drug as an adverse effect (T36–T50 with a 5th/6th character of 5).
What does the Tabular List say about E24.9?
The instructional notes that govern E24.9, including those it inherits from its category and chapter. An Excludes1 note means the two codes are never reported together.
Excludes1 — never code together — inherited from Chapter 4
The conditions below can never be reported together with E24.9 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
- transitory endocrine and metabolic disorders specific to newborn (P70-P74)
Excludes1 — never code together — inherited from E20-E35
The conditions below can never be reported together with E24.9 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
Excludes1 — never code together — inherited from E24
The conditions below can never be reported together with E24.9 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
- congenital adrenal hyperplasia (E25.0)
Codes, descriptions and Index entries are from the official ICD-10-CM FY2027 release. Guideline text is quoted from the ICD-10-CM Official Guidelines for Coding and Reporting FY 2027. A code must always be verified in the Tabular List before it is reported. Data sources