This erratum is being published to correct the printing error on page 96 of the article entitled 'Antimicrobial Susceptibility of Clinical Isolates of Bacteroides fragilis Group Organisms Recovered from 2009 to 2012 in a Korean Hospital' by Jisook Yim, Yangsoon Lee, Myungsook Kim, Young Hee Seo, Wan Hee Kim, Dongeun Yong, Seok Hoon Jeong, Kyungwon Lee, and Yunsop Chong in Ann Lab Med 2015;35:94-98, DOI 10.3343/alm.2015.35.1.94 as follows. In Table 1, in the CLSI item, the first column, for "Susceptibility" should be corrected to "Breakpoints".