Clinical proficiency testing establishes that the diagnosis of diabetes mellitus can be influenced by different methodology

Clinical proficiency testing establishes that the diagnosis of diabetes mellitus can be influenced by different methodology

G. S. Lima-Oliveira, C. Albuquerque, R. Doellinger, V. Biasoli, e A. Duarte

In 2003 the Expert Committee on the Diagnosis and Classification of Diabetes Mellitus of American Diabetes Association (ADA) introduced several changes to the diagnostic criteria for diabetes and for lesser degrees of impaired glucose regulation (IFG/IGT) established in 1997 by International Expert Committee. In 2004 the ADA published a new statement about diagnosis and classification of diabetes mellitus. (Table 1) However, there was no recommendations about specifics glucose measurement methods in clinical laboratory. Currently, Brazilian laboratories use on several methods, mainly, glucose oxidase (oxidase) and hexokinase. Taken together, one can argue if diagnosis of diabetes mellitus could be influenced by different methods and methodologies assay in Brazilian and Latin American clinical laboratories.

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Controllab has been accredited as a Certified Reference Material Producer (MRC) since 2016 by Inmetro’s General Coordination for Accreditation (CGCRE), under the PMR 0009 number. The assessment of this conformity is carried out according to the requirements established in ABNT NBR standards ISO 17034 and Inmetro, thus ensuring competence for the production of MRCs, according to the Scope of Accreditation.

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In September 2011, Controllab was accredited by Inmetro’s General Coordination for Accreditation (CGCRE) as a proficiency test provider, under nº PEP0003. Initially as part of a pilot project by Inmetro, this accreditation was based on ILAC G13: 2007 and included several clinical and hemotherapy tests. In the periodic evaluations of this accreditation, new segments and tests are included and the evaluation is now conducted according to ABNT NBR ISO/IEC 17043.

This accreditation attests to Controllab’s technical competence to develop and conduct proficiency tests in accordance with international requirements and enables it to be recognized in other countries, in accordance with mutual recognition agreements signed by Brazil in Mercosur, the Americas and Europe.