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Clinical Chemistry and Laboratory Medicine (CCLM)

Published in Association with the European Federation of Clinical Chemistry and Laboratory Medicine (EFLM)

Editor-in-Chief: Plebani, Mario

Editorial Board Member: Gillery, Philippe / Kazmierczak, Steven / Lackner, Karl J. / Lippi, Giuseppe / Melichar, Bohuslav / Schlattmann, Peter / Whitfield, John B.

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Rank 5 out of 29 in category Medical Laboratory Technology in the 2013 Thomson Reuters Journal Citation Report/Science Edition

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A new quality control model using performance goals based on biological variation in External Quality Assurance Schemes

Ashraf Mina1

1.

Corresponding author: Ashraf Mina, Department of Endocrinology, Institute of Clinical Pathology and Medical Research, Westmead Hospital, Westmead, New South Wales 2145, Australia Phone: +61-2-9845-7197, Fax: +61-2-9891-6908,

Citation Information: Clinical Chemical Laboratory Medicine. Volume 44, Issue 1, Pages 86–91, ISSN (Online) 1437-4331, ISSN (Print) 1434-6621, DOI: 10.1515/CCLM.2006.017, January 2006

Publication History

Received:
August 28, 2005
Accepted:
October 5, 2005

Abstract

A new quality control model using performance goals based on biological variation in External Quality Assurance Schemes (EQAS) is described. The proposed model aims to use assay (analytical) CVA, bias and total error available from participation in EQAS to describe assay performance using minimum, desirable and optimum quality specifications based on biological variation. The model provides further analysis of EQAS data and should be useful in better management of laboratory quality control, as it provides further information that can facilitate trouble-shooting. Additionally, it can help in evaluating the performance of current and proposed new laboratory methods by applying a unifying system if different EQAS are used to cover a range of analytes.

Keywords: biological variation; External Quality Assurance Schemes (EQAS); external quality control; quality control

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