Thanks for the responses guys. I'll push Aetna for a pre-determination. And push my doctor to send out a really strong letter of medical necessity.

I have been diagnosed with OSA since 2007. I was not using my machine since I couldn't stand it (I was in my 30's I thought I was invincible) But now I feel the pain in my chest in the morning getting worse so I decided to get a CPAP machine (my doc recommended ResMed S9 AutoSet) . I tried to go to ...