ICD-10-CM FY2027 diagnosis code

E66.81: Obesity class

Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027

E66.81 groups related diagnoses under obesity class. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.

Billable codes under E66.81

Other codes in E66.8 Other obesity

E66.81 questions

Is E66.81 a billable code?

No. E66.81 is a header code that groups 3 more specific codes. Use one of the billable codes listed on this page instead.

What does E66.81 mean?

E66.81 is the ICD-10-CM code for Obesity class. It is in chapter 4, Endocrine, nutritional and metabolic diseases (E00-E89).

Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.