DE GRUYTERQin Chem Lab Med 2023;aopEFLM PaperCarolien Bonroy,Martine Vercammen,Walter Fierz,Luis E.C.Andrade,Lieve Van Hoovels,Maria Infantino,Marvin J.Fritzler,Dimitrios Bogdanos,Ana Kozmar,Benoit Nespola,Sylvia Broeders,Dina Patel,Manfred Herold,Bing Zheng,Eric Y.T.Chan,Raivo Uibo,Anna-Maija Haapala,Lucile Musset,Ulrich Sack,Gabor Nagy,Tatjana Sundic,Katarzyna Fischer,Maria-Jose Rego de Sousa,Maria Luisa Vargas,Catharina Eriksson,Ingmar Heijnen,Ignacio Garcia-De La Torre,Orlando Gabriel Carballo,Minoru Satoh,Kyeong-Hee Kim,Edward K.L.Chan,Jan Damoiseaux,Marcos Lopez-Hoyos and Xavier Bossuyt*for the European Federation of Laboratory Medicine(EFLM)Working Group"Autoimmunity Testing,the European Autoimmune Standardization Initiative(EASI)andInternational Consensus on Antinuclear Antibody Patterns (ICAP)Detection of antinuclear antibodies:recommendations from EFLM,EASI and ICAPhttps/doi.org/10.1515/ccm-2023-0209AbstractReceived February 27,2023;accepted February 27,2023;published online March 29,2023Objectives:Antinuclear antibodies (ANA)are important forthe diagnosis of various autoimmune diseases.ANA areCarolien Bonroy and Martine Vercammen share first authorshipAna Kozmar,Department of Laboratory Diagnostics,University HospitalCentre Zagreb,Zagreb,CroatiaEdward K.L.Chan and Jan Damoiseaux contributed equally to this work.Benoit Nespola,Laboratory of Immunology,Hopitaux Universitaires deStrasbourg,Strasbourg,France*Corresponding author:Xavier Bossuyt,Department of Microbiology,Sylvia Broeders,Quality of Laboratories,Sciensano,Ixelles,BelgiumImmunology and Transplantation,KU Leuven,Leuven,Belgium:andDina Patel,UK NEQAS Immunology,Immunochemistry Allergy,SheffieldDepartment of Laboratory Medicine,University Hospital Leuven,Leuven,Teaching Hospitals,Sheffield,UKBelgium,E-mail:xavier.bossuyt@uzleuven.beManfred Herold,Department of Internal Medicine II,RheumatologyCarolien Bonroy,Department of Diagnostic Sciences,Ghent University,Laboratory,Medical University of Innsbruck,Innsbruck,AustriaGhent,Belgium;and Department of Laboratory Medicine,UniversityBingZheng,Department of Laboratory Medicine,Renji Hospital,School ofHospital Ghent,Ghent,BelgiumMedicine,ShanghaiJiao Tong University,Shanghai,P.R.ChinaMartine Vercammen,Department of Laboratory Medicine,AZ Sint-Jan,Eric Y.T.Chan,Department of Pathology,Queen Mary Hospital,HongBrugge,Belgium;and Research Group REIM,Vrije Universiteit Brussel,Kong,P.R.ChinaBrussels,BelgiumRaivo Uibo,Department of Immunology,Medical Faculty,University ofWalter Fierz,Schweizerischer Verband der DiagnostikindustrieTartu,Tartu,Estonia(SVDI-ASID),Bem,SwitzerlandAnna-Maija Haapala,Department of Immunology,Fimlab Laboratories,Luis E.C.Andrade,Rheumatology Division,Escola Paulista de Medicina,Tampere,FinlandUniversidade Federal de Sao Paulo,Sao Paulo,Brazil;and ImmunologyLucile Musset,Department of Immunology,Assistance Publique-HopitauxDivision,Fleury Medicine and Health Laboratories,Sao Paulo,Brazil.https://de Paris,Groupe Hospit
