No. The deadline for 2012 contributions was April 15, 2013, regardless of filing extensions. However, you can make a 2013 contribution now; you don’t have to wait until the end of the year or even up to April 15, 2014, to do so. The sooner you make the contribution, the sooner you begin to accrue potentially tax-free income.
Employer established account that provides tax-free reimbursements to employees for deductibles and other expenses that could be taken as itemized deductions.