I do c the benefit of putting yourself on a diet b4 hand because you will be in a panic eating up everything in site b4 surgery. I got my approval just waiting to see the doc.
It really all depends on your insurance. I have UHC and my doctors admin swore up and down that I would be denied because my 6 months were not consecutive and I didn't get denied.. UHC has Bariatric resource Center and those people help you to get approved by telling you exactly what you need. They tell you what you can do and can't do