When wanting the DX codes are you using them for your personal letter?  if so
it is not necessary SS does code them under their codes. Another thing to keep
in mind is that when looking at meds list i noticed no other drug to treat
lupus other then plaqunil. no steriods no chemo"s. If you have tried Chemo type
drugs i would also have a letter from the doc as to why it didn't work or why
it was stopped. Also whatever you write in your letter attach medical records
to show proof of it. also i would send in all my med records when i send in my
application that way SSD has them and it doesn't slow down the process of
waitin for them to get them. Also i would be prepared for them to send you to
their docs AL has the hardest record of  awarding SSD the average time for a
SSD approval in AL is 18 to 36 months. Right Now AL is behind on application
normal is 120 days but they are saying right now the 120 is 180 or higher due
to high rate of applicants and short of SS reviewers. sometimes it is easier to
get approved if not fighting on onset of Date of disability. Like i noticed you
said you been fighting for a long time for SSD when you start your new
application they will pull your past apps and unless you can prove new evidence
has changed your condition then your application can be denied on past
application reviews. so Please make sure you have new evidence attached to your
new application not just a doc's letter because a docs letter really only backs
up what you are telling SSD. Maybe you need to call SS and ask for a Rep to
help with the process it would be easier on you and they usually are social
workers and will show how to get records without frustrations.  just some
ideas.