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Maria Stella Graziani

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Martina Zaninotto

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Ferruccio Ceriotti
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Bruna Lo Sasso
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Martina Montagnana
Andrea Mosca
Paola Pezzati
Rossella Tomaiuolo
Matteo Vidali

International Advisory Board Khosrow Adeli Canada
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Marcello Ciaccio Italy
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Philippe Gillery France
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☩Howard Morris Australia
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Ana-Maria Simundic Croatia
☩Jill Tate Australia
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Maria Willrich USA
Paul Yip Canada


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Giuseppe Agosta

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Arianna Lucini Paioni
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email: biochimica.clinica@sibioc.it



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BC: Articoli scritti da A. Modenese

Interferenza da biotina negli immunodosaggi: raccomandazioni del Gruppo di Studio SIBioC sulla Variabilità Extra-Analitica (SIBioC-VEA)
Biotin interference in immunoassays: recommendations of the SIBioC Working Group on Extra-AnalyticalVariability (WG-VEA).
<p><span style="background-color:rgb(255, 255, 255); color:rgb(51, 51, 51); font-family:sans-serif,arial,verdana,trebuchet ms; font-size:13px">Biotin is a water-soluble vitamin, which participates to a vast array of metabolic pathwaysinvolving fatty acids, carbohydrates and amino acids metabolism. This vitamin is also capable to form high-affinitybonds with various molecules, including streptavidin and avidin, which are essential components of manyimmunoassays based on the principle of biotin-streptavidin or biotin-avidin binding. In patients assuming high dosesof biotin, therefore, some competitive and non-competitive immunoassays may exhibit falsely increased and falselydecreased test results, respectively, with magnitude of interference depending on biotin concentration in the testsample and on specific vulnerability of the immunoassay. With the aim to provide some expert guidance foridentifying, preventing and managing biotin interference in clinical laboratory practice, this document contains a seriesof consensus recommendations endorsed by the Working Group on Extra-Analytical Variability of the Italian Societyof Clinical Chemistry and Clinical Molecular Biology (SIBioC). Briefly, the most important recommendationsencompass local evaluation of possible biotin interference, routine history taking on biotin intake for both inpatientsand outpatients, informing clinicians on potentially biotin-sensitive immunoassays, sample retesting 24-48 hours afterthe last biotin administration, along with possible consideration to add a note in the laboratory report highlighting themethods more vulnerable to biotin interference. Routine biotin measurement in all samples is currently discouraged.</span></p>
Biochimica Clinica ; 43(3) 327-331
Documenti SIBioC - SIBioC DOCUMENTS
 
Armonizzazione in Medicina di Laboratorio
Harmonization in Laboratory Medicine
Biochimica Clinica ; 39(6) 546-547
Editoriale - Editorial