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pISSN 2384-2458 eISSN 2288-7261
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Original Article

Lab Med Qual Assur 2021; 43(2): 87-93

Published online June 30, 2021

https://doi.org/10.15263/jlmqa.2021.43.2.87

Copyright © Korean Association of External Quality Assessment Service.

A Pilot Project for Expansion of the External Quality Assessment Program in Transfusion Medicine: Extended Antigen Typing

Yousun Chung1 , Jin Seok Kim2 , John Jeongseok Yang2 , Hyungsuk Kim3 , Sang-Hyun Hwang2 , Heung-Bum Oh2 , and Dae-Hyun Ko2

1Department of Laboratory Medicine, Kangdong Sacred Heart Hospital; 2Department of Laboratory Medicine, Asan Medical Center, University of Ulsan College of Medicine; 3Department of Laboratory Medicine, Seoul National University Hospital, Seoul, Korea

Correspondence to:Dae-Hyun Ko
Department of Laboratory Medicine, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympic-ro 43-gil, Songpa-gu, Seoul 05505, Korea
Tel +82-2-3010-4504
E-mail daehyuni1118@amc.seoul.kr

Received: January 28, 2021; Revised: February 24, 2021; Accepted: February 25, 2021

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Background: As the need for expansion of the external quality assessment (EQA) scheme for transfusion medicine in Korea has increased, we performed a pilot project of extended antigen typing for Lewis, Duffy, and Kidd antigens.
Methods: We sent EQA materials to participant laboratories for Lewis, Duffy, and Kidd antigen typing in October 2020. Participants were asked to enter the agglutination titers, methodologies, and results of Lewis, Duffy, and Kidd antigen typing on the Korean Association of External Quality Assessment Service website.
Results: For Lewis antigen typing, the intended result was Le(a–b–); 20 participants (95.2%) responded as Le(a–b–), and only one (4.8%) responded as Le(a–b+). For the Duffy antigen typing test, the intended result was Fy(a+b–), and all 20 participants (100%) responded as Fy(a+b–). For the Kidd antigen typing test, the intended result was Jk(a+b+), and all 22 participants (100%) responded as Jk(a+b+).
Conclusions: As the pilot project was successfully executed, extended antigen typing for Lewis, Duffy, and Kidd antigens has been included in the Korean Association of External Quality Assessment Service on transfusion medicine since 2021.

Keywords: External quality assessment, Transfusion medicine, Extended antigen typing

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