Whats next got aletter from ssi ?

my son was or is a premmie with cleft palate he is1on nov. 5 my wife apply for ssi because were low income so we got aletter with and appoiment are situation hasent change is the same they want bank stament if we have recieved any ssdi since october no .. So did he qualify or we have to appeal hes we knoe it takes 90 to 120 days so we want to knoe he has surgery 8 and im getting fire on my nite partime job iwant to be there for my son surgery .. Thats going to affected are bills rent and so alo im doing taxes does ssi affects it or diffrent storie ??? The main point is did our son qualifed