By submitting your email address, you agree to receive marketing emails from Labcorp OnDemand. See Labcorp’s Online Services User Agreement and Privacy Policy. Offer valid at ondemand.labcorp.com. *Exclusions apply. Offer valid on first purchase only and cannot be applied to previous purchases or combined with any other offer. Limit one promo code per order. Valid in the U.S. only. Terms of the offer are subject to change.