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Professional Certification of Medical Technologists in Korea, Japan, and United States of America
Korean J Clin Lab Sci 2019;51:1-14  
Published on March 31, 2019
Copyright © 2019 Korean Society for Clinical Laboratory Science.

Bon-Kyeong Koo

Department of Laboratory Medicine, Samsung Medical Center, Seoul, Korea
Correspondence to: Bon-Kyeong Koo
Department of Laboratory Medicine, Samsung Medical Center, 81 Irwon-ro, Gangnam-gu, Seoul 06351, Korea, Tel: 82-2-3410-2691, Fax: 82-2-3410-0022, E-mail:
This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License ( which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
The names of medical technologist in Korea, Japan, and the United State of America vary depending on the medical system, educational system, and work areas. Conventionally, jobs equal or similar to medical technologist (commonly known as clinical laboratory technologist, medical laboratory technologist, clinical laboratory scientist, and medical laboratory scientist), histotechnologist, cytotechnologist, and genetic technologist. Jobs, such as extracorporeal technologist, medical electrophysiology technologist, and medical sonographer, allow other allied health professionals including medical technologists, to obtain their qualification. The work areas of medical technologists are classified into clinical pathologic technology, pathologic technology, clinical genetics technology, nuclear medicine in vitro technology, and clinical physiologic technology. New titles of Korean specialized medical technologists refer to certification systems, such as CLMJ, CMAJ, ASCP, IAC, ABRET, and ARMDS. Currently, there are eight types of specialized medical technologists under the cooperation of specialized academic societies. They are hematology, transfusionology, chemistry, immunology, microbiology, histology, cytology, nuclear medicine. It can be further divided into 20 categories according to the work areas such as mass spectrometry, infection control, Pathologists’ Assistant, flow cytometry, HLA, cytogenetics, molecular genetics, cardiopulmonary physiology, neurophysiology (EEG/EMG/PSG/etc.), cardiac sonography, neurosonography (TCD/carotid), and medical device quality manager.
Keywords : Certification, Medical technologist, Specialized medical technologist, Qualification

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