Body Mass Index is a ratio of weight to height. It’s the chief method that medical professionals use to determine whether an adult is a healthy weight, and it’s also what insurance companies utilize as one of their chief bariatric surgery requirements while determining who is eligible for these procedures.

What is Body Mass Index? In this quick guide, you’ll learn more about Body Mass Index and other relevant obesity information, and how it relates to today’s bariatric surgery requirements.

Body Mass Index (BMI) is measure of body fat based on height and weight that applies to both adult men and women.