Have you ever heard of being put in a different BMI category due to body composition?

I had a check-up with my dr recently, where he placed me in a lower BMI category than the chart because he said I have a lot of lean mass which makes it less accurate for me.

I’ve heard of arguments to do this and ways in which the traditional BMI should be adjusted for things like frame and athleticism, but I’ve never actually heard of it put into practice in a medical setting. Have you?