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KMID : 0985420070290010137
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Laboratory Medicine and Quality Assurance
2007 Volume.29 No. 1 p.137 ~ p.152
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Annual Report on External Quality Assessment in Inborn Error of Metabolism in Korea (2006)
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Song Jung-Han
Kwon Kye-Chul
Kim Jeong-Ho
Kim Jong-Won
Min Won-Ki
Lee Soo-Youn
Lee Eun-Hee
Jun Sun-Hee
Choi Tae-Yoon
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Abstract
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The trial of external quality assessment for inborn error of metabolism was performed in 2006. Total 12 specimens for the conventional newborn screening tests were distributed to 17 laboratories. The response rates were 100%(17/17). All the control materials were sent as filter paper forms. Each laboratory replied the test results as the screening items they were doing as a routine test at the reception of the specimen among PKU screening, TSH, T4 (total/free), galactosemia screen, maple syrup urine disease screen and homocytinuria screen. The mean, SD, CV, median and range were analyzed. From 2004 trial, pilot proficiency test for newborn screening using tandem mass spectrometry (MS/MS) has been also performed. In this trial, total 8 blood spots were distributed to 9 laboratories performing newborn screening using MS/MS. Participants results for amino acids & acylcarnitine and their cutoff values were analyzed.
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KEYWORD
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External quality assurance, Inborn error of metabolism, Newborn screening, Tandem mass spectrometry
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