An electronic health record (EHR) system includes the longitudinal collection of electronic health information for individuals, immediate access to information by authorized users, provision of decision support to enhance quality and efficiency of care, and support of efficient healthcare delivery processes. The core functions of an EHR include health information, order management, decision support, communication, patient support, administrative processes, and reporting. Primary uses include patient care delivery, management, and support as well as administrative and financial processes. Secondary uses include education, research, public health, and policy support