UnitedHealth says Change's medical claims application to be back online

UnitedHealth Group Inc. is one of the leading American suppliers of healthcare products and services. Income breaks down by activity as follows: - health insurance (57.4%; UnitedHealthcare); - prescription insurance plan management services (39.3%; Optum Health and Optum Rx): administrative management (reimbursement management, patient claim processing, etc.), drug distribution, decision-making information, sales of medical information management services, etc.; - provision of computer services (3.3%; Optum Insight): consulting, development, and integration of solutions for transaction management, healthcare plan management, data processing, etc.