Standardization issues for integrating and utilizing healthcare data have been constantly generated in the healthcare ecosystem where innovation is taking place by grafting ICT technology. The industry is putting effort to use medical data accumulated by each institution, improve clinical process, and put chronic diseases under control. Based on the standards, it supports smooth data exchange among different subjects such as hospitals, insurance companies, and companies to improve the quality of medical care. It can improve the rights and interest of patients such as reducing medical expenses, and providing personalized health management and disease prevention services.