A promotional code is valid for one-time use per customer online. It cannot be applied to already-discounted products, is not valid for use on prior purchases, and may not be used in conjunction with another promotional code and is not transferable. Items in the promotion include finished kits reagents, finished kits controls, finished kits calibrators and finished kits standards; instruments, parts and consumables are not included in this promotion. MedTest Dx may, in its discretion, rescind the offer in the event our Terms of Use are violated or to prevent fraud. Promotion ends May 31, 2020 and is only available in the United States and Canada.