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pISSN 2384-2458 eISSN 2288-7261
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Report On Proficiency Testing

J Lab Med Qual Assur 2018; 40(1): 9-20

Published online March 31, 2018

https://doi.org/10.15263/jlmqa.2018.40.1.9

Copyright © Korean Association of External Quality Assessment Service.

Annual Report on the External Quality Assessment Scheme for Transfusion Medicine in Korea (2017)

Young Ae Lim1,2, Hyun Soo Cho2

1Department of Laboratory Medicine, Ajou University School of Medicine, Suwon, Korea,
2Department of Laboratory Medicine, Ajou University Hospital, Suwon, Korea

Correspondence to:Young Ae Lim Department of Laboratory Medicine, Ajou University Hospital, Ajou University School of Medicine, 164 World cup-ro, Yeongtong-gu, Suwon 16499, Korea Tel: +82-31-219-5786 Fax: +82-31-219-5778 E-mail: limyoung@ajou.ac.kr
교신저자: 임영애 우)16499 경기도 수원시 영통구 월드컵로 164, 아주대학교 의과대학 아주대학교병원 진단검사의학교실 Tel: 031)219-5786, Fax: 031)219-5778, E-mail: limyoung@ajou.ac.kr

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

Here, we have reported results of the surveys on the external quality assessment scheme (EQA) of the Transfusion Medicine Program (TMP) in Korea that were carried out in 2017. The proficiency testing specimens were prepared at Ajou University Hospital, and sent to the participants biannually. The average accuracy rates (N=the number of participants) for ten different test items on the regular survey were as follows: ABO typing, 99.1%–99.9% (N=714); RhD typing, 99.3%–100.0% (N=695); crossmatching, 88.9%–98.5% (N=618); ABO subtyping, 80.7% and 96.0% (N=51); Rh CcEe antigen testing, 98.8%–100.0% (N=51); weak D test, 99.3% and 100.0 (N=150); antibody screening, 98.6%–100.0% (N=295); direct antiglobulin test (DAT) using a poly-specific reagent, 99.2%–100.0 (N=256); DAT using an immunoglobulin-G monospecific reagent, all 100.0% (N=68); DAT using a C3d-monospecific reagent, 83.6%–100.0% (N=72); antibody identification, 88.7%–99.2% (N=123); and ABO Ab titration, 84.6%–100.0% (N=73). The number of participants for the EQA for TMP in 2017 was much higher than that in 2016. Except for the case of ABO subtyping, excellent survey results for the 2017 EQA for TMP were obtained, compared to those in 2016. Thus, the EQA for TMP in 2017 should be helpful for improving the quality of the participating laboratories.

Keywords: Transfusion medicine, Quality improvement, Laboratory proficiency testing

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