E66.2

Billable

Morbid (severe) obesity with alveolar hypoventilation

E66.2 is the ICD-10-CM code for Morbid (severe) obesity with alveolar hypoventilation. It is a billable, specific code valid for reimbursement.

Status
Billable
Chapter
E00-E89
Parent
E66
Edition
FY2026

E00-E89 Endocrine, nutritional and metabolic diseases

Includes

  • Obesity hypoventilation syndrome (OHS)
  • Pickwickian syndrome

Frequently asked questions

What is ICD-10 code E66.2?
E66.2 is the ICD-10-CM code for "Morbid (severe) obesity with alveolar hypoventilation". It falls under E00-E89 Endocrine, nutritional and metabolic diseases.
Is E66.2 a billable code?
Yes — E66.2 is a billable, specific ICD-10-CM code valid for reimbursement.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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