Please, tell that to my dental office that's been doing just that for over a year for me personally, and I'm sure many more years for everyone else going there.

Please, tell that to my dental office that's been doing just that for over a year for me personally, and I'm sure many more years for everyone else going there. Plus, I'm not even in their network and they can somehow figure it out. The codes are standardized for different procedures. If you know that you're doing procedure X, Y and Z and are billing against provider A who you've already billed before, then you know more or less how much they're going to pay for those three procedures based on experience and the standard in-network cost for those procedures. It's not like an insurance provider is suddenly going to reimburse half the cost for shits and giggles. Everything is fairly standardized and theres only so many variables you have to deal with.