Introduction Infectious disease surveillance is very important as an element in public health system in the prevention and control of infectious diseases. Results of the Korean National Notifiable Disease Surveillance System (KNNDSS) has contributed to the reduction of amount of infectious disease. Nevertheless, the “reporting rate” is continuously being debated.
The KNNDSS classifies 77 infectious diseases into 6 groups: Group I for those requiring immediate control measures; Group II for vaccine-preventable diseases; Group III for diseases that need routine monitoring; Group IV for emerging diseases in Korea; Group V for parasitic infections; and Group VI for disease that need monitoring outbreaks. Group I – VI diseases are monitored by mandatory surveillance system that requires obligatory reporting on infectious diseases ‘without delay’ to a district health center.
The using the National Health Insurance (NHI) claims data is the important source of information for healthcare service research in South Korea, since South Korea achieves universal coverage of its population. In the aspects of data quality and standard, the sixth revision of the Korean Classification of Disease (KCD-6) has been used in Korea since 2011, and 99.9% of healthcare providers use to claims to insurers utilizing Electronic Data Interchange transactions. In this respects, NHI claims data is an opportunity as a supplement for NDDSS data.
In this study, we explored the difference between NNDSS data and NHI claim data and determined opportunity and challenges using NHI data for estimation the magnitude of national infectious disease incidence.
Objective
This study will determine opportunity of using the National Health Insurance (NHI) claims data for supplemental notifiable infectious disease surveillance system at national or regional levels.