Originally Posted by Janke

So he probably earned enough money in 2011 to get 4 credits (quarters of coverage) so I am estimating his date last insured is 5 years later or 12/31/2016. Either the DDS or an ALJ would have to find that he was disabled on or before that date. So date last insured does not seem to be an issue for him. Plenty of credits. It can be an issue for people who start and stop work, who stay out of the work force for reasons other than their condition, people who only work seasonally.