if you look at number 8 in this link you will see that scanline 1 field 5 contains the medical diagnosis or diagnosises that they have listed for the reason you were approved.
https://s044a90.ssa.gov/apps10/poms....1!opendocument
these are the diagnosis codes
https://secure.ssa.gov/apps10/poms.nsf/lnx/0426510015
and this is something from nystate about the cdr. it applies to anyone doing a cdr.
http://nymakesworkpay.org/docs/Guide_CDR.pdf