https://eclaim.kccllc.net/caclaimforms/llg/Landing.aspx

You qualify if you have made a payment at a LabCorp patient service center or equivalent (ii) using a debit or credit card, and (iii) for which LabCorp printed a point of sale receipt (iv) that displayed the card expiration date (v) between July 6, 2012 and November 4,2015.