Some guys on here from the US have got it covered by insurance. The best way to go about it is to claim that it's from puberty, and that it's very painful for you. As in you can't sleep on your stomach, and it's very irritating. Under no circumstances are you to mention the fact that you have done AS or want it for cosmetics.
However, do not let them send you to a general surgeon. They will butcher you, and you will come out looking worse.
Good luck