E66.811
Billable codeObesity, class 1
The ICD-10 code for obesity, class 1 is E66.811.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- E66.812Obesity, class 2
- E66.813Obesity, class 3
- E66.811Obesity, class 1
Associated MS-DRGs
E66.811 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.