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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

Ed. by Gillery, Philippe / Greaves, Ronda / Lackner, Karl J. / Lippi, Giuseppe / Melichar, Bohuslav / Payne, Deborah A. / Schlattmann, Peter

IMPACT FACTOR 2018: 3.638

CiteScore 2018: 2.44

SCImago Journal Rank (SJR) 2018: 1.191
Source Normalized Impact per Paper (SNIP) 2018: 1.205

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Volume 53, Issue 9


Analytical performances of the D-100TM hemoglobin testing system (Bio-Rad) for HbA1c assay

Stéphane Jaisson / Nathalie Leroy / Emmanuelle Guillard / Aurore Desmons / Philippe Gillery
Published Online: 2015-05-23 | DOI: https://doi.org/10.1515/cclm-2015-0288


Background: Glycated hemoglobin (HbA1c) is widely used for the monitoring of glycemic balance in diabetic patients and has also been proposed as a tool for the diagnostic of diabetes mellitus. Accordingly, HbA1c quantification must be performed using robust, reliable and efficient methods. Here are reported the results of the evaluation of a new high performance liquid chromatography (HPLC) system for HbA1c quantification, the D-100TM system from Bio-Rad Laboratories.

Methods: The analytical performances of the method as well as the influence of the most frequent interferences regarding HbA1c assays (e.g., labile HbA1c, carbamylated hemoglobin, high HbF) have been tested.

Results: Intra- and between-assay CVs were respectively lower than 0.93% and 1.46% (HbA1c results expressed in NGSP units) and lower than 1.67% and 2.27% (HbA1c results expressed in IFCC units). The linearity proved to be excellent from 15 mmol/mol (3.5%) to 184 mmol/mol (19.0%) (r=0.999). The results were well correlated with those obtained by another HPLC method (VARIANTTM II Hemoglobin A1c Program reorder pack 270-2101NU-Bio-Rad): HbA1c[VARIANTTM II, mmol/mol]=1.013×HbA1c[D-100TM, mmol/mol]+0.637 (r=0.993, n=2000). The D-100TM system provided results consistent with IFCC-assigned external quality control samples and the presence of labile HbA1c, carbamylated hemoglobin and HbF did not interfere with HbA1c measurement.

Conclusions: The D-100 TM system proved to be a robust and reliable method for HbA1c measurement suitable for routine practice in clinical chemistry laboratories.

Keywords: diabetes; evaluation; HbA1c; HPLC


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About the article

Corresponding author: Dr. Stéphane Jaisson, Laboratory of Paediatric Biology and Research, Department of Biology, University Hospital of Reims, 45 rue Cognacq-Jay, 51092 Reims Cedex, France, Phone: +33 3 26783952, Fax: +33 3 26783882, E-mail:

Received: 2015-03-24

Accepted: 2015-04-20

Published Online: 2015-05-23

Published in Print: 2015-08-01

Citation Information: Clinical Chemistry and Laboratory Medicine (CCLM), Volume 53, Issue 9, Pages 1473–1479, ISSN (Online) 1437-4331, ISSN (Print) 1434-6621, DOI: https://doi.org/10.1515/cclm-2015-0288.

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