This erratum corrects an error in the nomenclature of a mutation reported in the article entitled “Novel 4-bp Intronic Deletion (c.1560+3_1560+6del) in LEMD3 in a Korean Patient With Osteopoikilosis” by In Young Yoo, Ju-Sun Song, Chang-Seok Ki, Jong-Won Kim, Hoon-Suk Cha, and Yong-Ki Min (Ann Lab Med 2017;37:540-3, DOI 10.3343/alm.2017.37.6.540). The nomenclature of this mutation should be corrected as follows: c.1560+5_1560+8del rather than c.1560+3_1560+6del. The same error in the title, abstract, and text was also made in Figure 2, and should be corrected as follows: