ICD-10-CM FY2027 diagnosis code

E66.2: Morbid (severe) obesity with alveolar hypoventilation

Billable codeValid for dates of service October 1, 2026 to September 30, 2027

E66.2 is a billable ICD-10-CM diagnosis code for morbid (severe) obesity with alveolar hypoventilation. It is specific enough to use on an insurance claim, a superbill or a Good Faith Estimate.

E66.2 questions

Is E66.2 a billable code?

Yes. E66.2 is a billable ICD-10-CM code and can be used on claims and superbills for dates of service from October 1, 2026 to September 30, 2027.

What does E66.2 mean?

E66.2 is the ICD-10-CM code for Morbid (severe) obesity with alveolar hypoventilation. 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.