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All TB patients who are treated in public health centers are notified to the Korea National TB Surveillance System (KNTSS). In 2006, a national survey found that only 67.6\% of patients diagnosed and treated in the private sector were notified, despite a legal framework making notification of TB cases mandatory. Since 2008, the coverage of routine TB surveillance has been systematically assessed using record-linkage of medical records from the National Health Insurance (NHI) and records from the KNTSS database\cite{23101024}. National identification numbers are used for record-linkage.  \section{Results}  Results about completeness of TB notifications over 2012-2013 are presented in Table 1 below. Completeness was defined as the proportion of cases notified to KNTSS within 6 months among all NHI cases.   \begin{table}  \caption{Coverage of routine TB surveillance}  \begin{tabular}{lll}  \hline  & 2012 & 2013 \\  
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Under-reporting & 11.5\% & 6.7\% \\  \hline  \end{tabular}   \caption{Coverage of routine TB surveillance}  \end{table}  Under-reporting of surveillance was found lower when cases were diagnosed in General hospitals (8\% over 2012-2013) compared with private clinics (24\%). A regulation is being put in place to condition reimbursements from NHI to notification of cases by prescribing physicians as part of a 5-year plan for TB elimination (2015-2020). As of 2011, NHI covered 90\% of medical expenses related to TB, it is planned that coverage will reach 100\% in 2016. These two measures should ensure a near zero level of under-reporting of detected cases. 
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