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Editor-in-chief
Maria Stella Graziani

Deputy Director
Martina Zaninotto

Associate Editors
Ferruccio Ceriotti
Davide Giavarina
Bruna Lo Sasso
Giampaolo Merlini
Martina Montagnana
Andrea Mosca
Paola Pezzati
Rossella Tomaiuolo
Matteo Vidali

EIC Assistant
Francesco Busardò

International Advisory Board Khosrow Adeli Canada
Sergio Bernardini Italy
Marcello Ciaccio Italy
Eleftherios Diamandis Canada
Philippe Gillery France
Kjell Grankvist Sweden
Hans Jacobs The Netherlands
Eric Kilpatrick UK
Magdalena Krintus Poland
Giuseppe Lippi Italy
Mario Plebani Italy
Sverre Sandberg Norway
Ana-Maria Simundic Croatia
Tommaso Trenti Italy
Cas Weykamp The Netherlands
Maria Willrich USA
Paul Yip Canada

Publisher
Biomedia srl
Via L. Temolo 4, 20126 Milano

Responsible Editor
Giuseppe Agosta

Editorial Secretary
Chiara Riva
Biomedia srl
Via L. Temolo 4, 20126 Milano
Tel. 0245498282
email: biochimica.clinica@sibioc.it

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ISSN print: 0393 – 0564
ISSN digital: 0392- 7091

BC: Articoli scritti da A. Modenese

Raccomandazioni per la rilevazione e la gestione dei campioni non idonei nei laboratori clinici
Recommendations for the detection and management of unsuitable samples in clinical laboratories
D. Farci Santarcangeli \| M. Careno \| M. L. Frassanito \| D. Giavarina \| G. Lippi \| A. Modenese \| B. Morelli \| E. Trabuio \| R. Vettori \| B. Bonetti \|
<p>A large body of evidence supports that quality improvement efforts tailored to the analytical phase only, are less likely to generate further clinical and economical progresses. Actually, most diagnostic errors made within the laboratory diagnostics emerge in the extra-analytical domains of testing, especially within the preanalytical phase. It is now clear that the underlying causes are most frequently due to system errors or to the implementation of poorly standardized procedures for collection, handling, transportation, preparation and storage of biospecimens. Some of these problems could generate a number of issues related to the quality of clinical samples, ending up with the reception by the laboratory of unsuitable samples. The identification and the management of unsuitable samples represent thus unavoidable practices in clinical laboratories to guarantee the quality of test results throughout the total testing process. Due to the ongoing evolution of the in vitro diagnostic market and the availability of new evidence, this paper provides a revision of the national recommendations issued by the Italian Society of Clinical Biochemistry and Clinical Molecular Biology in 2007 for detection and practical management of unsuitable specimens in clinical laboratories.</p>
Biochimica Clinica ; 44(2) 180-193 Documenti SIBioC - SIBioC Documents

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).
G. Lippi \| G. Bonetti \| A. Modenese \| A. Padoan \| D. Giavarina \|
<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
F. Ceriotti \| M. Panteghini \| A. Tosetto \| V. Valentini \| L. Politi \| R. Rolla \| T. Guastafierro \| T. Köken \| E. Capoluongo \| C. Mazzaccara \| V. D'Argenio \| V. D'Argenio \| G. Lippi \| M. Plebani \| D. Giavarina \| M. Berardi \| A survey on sample matrix and preanalytical management in clinical laboratories \| D. Bozzato \| G. Messeri \| M. Zaninotto \| M. Vidali \| A. Padoan \| G. Parigi \| A. Clerico \| L. Sciacovelli \| M. Ciaccio \| G.L. Salvagno \| G. Barberio \| G. Barberio \| G.L. Salvagno \| M. Pepe \| M. Panteghini \| F. Braga \| G. Gessoni \| M. Montagnana \| N. Doğan \| M. Barberis \| M. Barberis \| A. Marchetti \| F. Borrillo \| L. Bonfanti \| P.M. Ness \| G. Messeri \| S. Nannini \| J. Queraltò \| M. Zaninotto \| A. Mosca \| BM. Henry \| G. Santini \| A. Coglianese \| V. D'Argenio \| E. Fiorio \| L. Crinò \| M. A. V. Willrich \| A. Modenese \| M. Berardi \| G. Nordera \| M. Girelli \| R. Tomaiuolo \| D. Giavarina \| R. Dittadi \| L. Pighi \| V. Guaraldo \| G. Bambagiotti \| E. Franceschini \| R. Danesi \| M. Locatelli \| F. Balboni \| D. Cosseddu \| M. Savoia \| S. Bernardini \| C. Domenichini \| M. Lamonaca \| M. Perrone \| M. Perrone \| per il Gruppo di Studio Intersocietario SIBioC-SIPMeL Diabete Mellito \| P. Pradella \| A. Padoan \| M.T. Sandri \| L. Belloni \| A. D'Avolio \| T. Trenti \| A. Fortunato \| T. Trenti \|

Biochimica Clinica ; 39(6) 546-547 Editoriale - Editorial