Intensive Care Med (2017) 43:1751–1763 DOI 10.1007/s00134-017-4919-5 CONFERENCE REPORTS AND EXPERT PANEL Guidelines for the diagnosis and management of critical illness-related corticosteroid insufficiency (CIRCI) in critically ill patients (Part I): Society of Critical Care Medicine (SCCM) and European Society of Intensive Care Medicine (ESICM) 2017 Djillali Annane 1* , Stephen M. Pastores 2* , Bram Rochwerg 3 , Wiebke Arlt 4 , Robert A. Balk 5 , Albertus Beishuizen 6 , Josef Briegel 7 , Joseph Carcillo 8 , Mirjam Christ-Crain 9 , Mark S. Cooper 10 , Paul E. Marik 11 , Gianfranco Umberto Meduri 12 , Keith M. Olsen 13 , Sophia Rodgers 14 , James A. Russell 15 and Greet Van den Berghe 16 © 2017 ESICM and SCCM Abstract Objective: To update the 2008 consensus statements for the diagnosis and management of critical illness-related corticosteroid insufficiency (CIRCI) in adult and pediatric patients. *Correspondence: djillali.annane@aphp.fr; pastores@mskcc.org 1 General ICU Department, Raymond Poincaré Hospital (APHP), Helath Science Centre Simone Veil, Universite Versailles SQY-Paris Saclay, Garches, France 2 Department of Anesthesiology and Critical Care Medicine, Memorial Sloan Kettering Cancer Center, 1275 York Avenue, C-1179, New York, NY 10065, USA Djillali Annane and Stephen M. Pastores are the co-chairs and co-first authors who have contributed equally to this work. Supplemental digital content is available for this article. Full author information is available at the end of the article This article is linked to another article entitled “Critical illness- related corticosteroid insufficiency (CIRCI): a narrative review from a multispecialty task force of the Society of Critical Care Medicine (SCCM) and the European Society of Intensive Care Medicine (ESICM)” published in parallel (doi:10.1007/s00134-017-4914-x). This article is being simultaneously published in Critical Care Medicine (doi:10.1097/CCM.0000000000002737) and Intensive Care Medicine.