Severity of Malnutrition
Class Risk BMI (kg/m2) Notes
1 low 30-34.9
2 moderate 35-39.9
3 high ≥40 synonymous with morbid obesity
Other obesity not elsewhere classified
Note: Morbid obesity can also be a BMI of 35 or higher with at least one weight-related comorbidity.
Reference: Losacker, B. (2025, April 7). CDI tip on Obesity. Mid-Revenue Cycle Solutions. https://www.uasisolutions.com/cdi-tip-on-obesity