McKesson requires vendor EDI compliance to easily manage their procurement process with suppliers. DataTrans is a third-party EDI provider for McKesson suppliers to become EDI capable and compliant through an all-in-one multichannel EDI and eCommerce solution. DataTrans adheres to McKesson EDI specifications. A few common McKesson EDI transactions include EDI 850, EDI 856, EDI 810, EDI 852 and EDI 867.