Resolving falsely elevated vancomycin levels in KIMS immunoassay due to monoclonal IgM interference​Go Eun Bae Sang-Mi Kim Hae-il Park Soo-Youn Lee Hyung-Doo Park a Department of Laboratory Medicine and Genetics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Koreab Department of Laboratory Medicine and Genetics, Chosun University Hospital, Chosun University School of Medicine, Gwangju, Republic of Koreac Deprartment of Laboratory Medicine and Genetics, The Catholic University of Korea, Bucheon St. Mary’s Hospital, Bucheon, Koread Department of Medical Device Management and Research, SAIHST, Sungkyunkwan University, Seoul, Koreaon November 3, 2025 at 1:23 am