E66.811
BillableObesity, class 1
E66.811 is the ICD-10-CM code for Obesity, class 1. It is a billable, specific code valid for reimbursement.
E00-E89 Endocrine, nutritional and metabolic diseases
What this means — in plain language
MedlinePlus · NIHLearn more about overweight and obesity among adults, including causes, related health risks, and treatments.
Read more about Understanding Adult Overweight & Obesity at MedlinePlus ↗Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.
No additional coding notes for this code.
Frequently asked questions
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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