You should be able to request the written MRI report, it is handy to have it on hand , in case you decide to go for other options.

Usually the hands/arms are cervical spine related and waist down is lumbar related..
http://neurotalk.psychcentral.com/al...pictureid=5102

Has he tried any physical therapy? To see if it helps at all?
Or expert chiropractic?
Both of those should do an assessment before treatment..