I've been having issues with my blue plus MSHO denying my final claims for no RAP, so I appeal them and include the original bulletin that states NOAs are required as of last July and they come back and pay.  Now I'm having final claims being denied for being billed 'outside of contractual agreement' the description on my claim status search in availity says 'The claim contains missing or invalid information required to process the claim'.  I haven't changed the way I'm billing any of these claims and those are very non-specific denials.  I have called blue plus MSHO and the reps don't really have any straight answers, so they're sending back for review to let me know what exactly is wrong.  Is anyone else experiencing this and have you gotten any real answers or anything paid on this strange denials?