Would this help with approval?

I have BCBS of IL, i know their requirements, but i was also wondering if i got a letter from my (back Dr) can't spell chiropractor, if that would help as well. Any thoughts?

Any documented back problems would be considered a comorbidity.  I say, yes get it and make sure it gets forwarded to the insurance when the time comes.  Every little bit helps. 

thanks, i wasn't sure especially since it's not required but i figured every bit helps.