Cushing's syndrome
In Disorders of other endocrine glands (E20-E35), chapter 4: Endocrine, Nutritional and Metabolic Diseases
7 billable codes under E24: 6 are a CC; 1 map to HCC 51 (Addison's and Cushing's Diseases, Acromegaly, and Other Specified Endocrine Disorders).A CC or MCC (major CC) is a secondary diagnosis that raises the MS-DRG payment. An HCC counts toward a Medicare Advantage patient's risk score.
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Instructional notes
Excludes1: not coded here, use a different code
- congenital adrenal hyperplasia (E25.0)
Official coding guidelines
From the ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027 (CMS and NCHS). Links open the PDF at the right page.
Covers diabetes mellitus coding, including type, insulin and drug use, pump malfunction and secondary diabetes, plus obesity and obesity class codes.
- Diabetes mellitus (page 39)
- Obesity (page 42)
All codes under E24
E24 can't be used on a claim. Pick a billable code below; grey headings group them.
E24 MS-DRGs
As the principal diagnosis, all 7 billable codes under E24 group to MS-DRG 643, 644, or 645 (v44.0). Which one applies depends on procedures performed, secondary diagnoses (CC/MCC), and the patient's age and discharge status.
Other codes that refer to E24
Notes on these codes point to E24.
About the condition
Plain-language background from MedlinePlus (National Library of Medicine), not coding guidance.
Cushing's Syndrome
Cushing's syndrome is a hormonal disorder. The cause is long-term exposure to too much cortisol, a hormone that your adrenal gland makes. Sometimes, taking synthetic hormone medicine to treat an inflammatory disease leads to Cushing's. Some kinds of tumors produce a hormone that can cause your body to make too much cortisol.
Read more about cushing's syndrome on MedlinePlusCode history
Valid since FY2016, when ICD-10-CM took effect on October 1, 2015. No changes since.