How is severe obesity commonly classified in the surgical literature?

Updated: Jun 09, 2021
  • Author: Osama Hamdy, MD, PhD; Chief Editor: Romesh Khardori, MD, PhD, FACP  more...
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The surgical literature often uses a different classification to recognize particularly severe obesity. The categories are as follows:

  • Severe obesity - BMI greater than 40 kg/m2

  • Morbid obesity - BMI of 40-50 kg/m2

  • Super obese - BMI greater than 50 kg/m2

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