This was an excellent post about PN and applying for SSDI from poster echoes long ago:http://neurotalk.psychcentral.com/thread210434-2.html

"for peripheral neuropathy it is important to state how your nerve damage affects your gait, balance and fine motor skills (dexterity) which in turn how that limits your ability to work. trouble walking, climbing, bending, sitting, kneeling, squating, reaching, lifting, grabbing, holding, manipulating etc depending of course on what limbs are involved and what your particular symptoms are."