Q: We are on the federal Blue Cross/Blue Shield plan, and our son will turn 22 evidently before the extension comes into effect. I understand that he gets a month of courtesy coverage, which would expire on Dec. 22. So, what do we do for the additional nine or 10 days to keep him covered? A: He will be offered an opportunity to continue his coverage under the Temporary Continuation of Coverage provision in the current law. The cost of that coverage would be 100 percent of the monthly premium, plus an additional 2 percent for administrative costs. Note: The…