McKesson Corporation is a diversified healthcare services provider. The Company is focused on advancing health outcomes for patients everywhere. It operates its business through four segments: U.S. Pharmaceutical, Prescription Technology Solutions (RxTS), Medical-Surgical Solutions, and International. Its U.S. Pharmaceutical segment distributes branded, generic, specialty, biosimilar and over-the-counter (OTC) pharmaceutical drugs, and other healthcare-related products. Its Prescription Technology Solutions segment serves its biopharma and life sciences partners and patients. Its Medical-Surgical Solutions segment provides medical-surgical supply distribution, logistics, and other services to healthcare providers, including physician offices, surgery centers, nursing homes, hospital reference labs, and home health care agencies. Its International segment provides distribution and services to wholesale, institutional, and retail customers in 11 European countries and Canada.