Latest Changes

Title Description Major Minor Date
Rationale for the reference method for MIC determination of M. tuberculosis New document on the "Rationale for the reference method for MIC determination of M. tuberculosis" posted 2019/09/03
Florefenicol RD v 1.0 published by VetCAST 2019/08/16
FAQ document updated. The EUCAST FAQ document has been updated. Several new Q and A on S, I and R definitions and the use of ATUs. 2019/08/12
B. pseudomallei breakpoints and methods - comments and response to consultation 2019/07/23
Comments and EUCAST responses to the consultation on following through on the change to "Susceptible, increased exposure". Consultation on "Susceptible, increased exposure" with comments and EUCAST responses, now available. 2019/07/22
Antimycobacterial susceptibility testing Several changes - rationale documents for bedaquiline and delaminide published, consultation finalised, and a reference method for MIC testing of Mycobacteria published. 2019/07/19
A Serbian EUCAST website has been published All EUCAST documents are now available in Serbian. 2019/07/05
Comment on the responsibility of manufacturers and laboratories in relation to quality of AST material. The comment is added under "The quality of disks". 2019/06/30
RAST - please inform us Implementing RAST from blood culture bottles If you have implemented, or aim to implement, RAST according to the EUCAST method, please send an email stating the name, town and country of your laboratory, and tell us if you were successful or encountered difficulties. Mail to EUCAST. 2019/06/25
Expert rules consultation - comments and responses published 2019/06/17
Expert Rules updated June 2019 All expert rules have been reviewed and revised. 2019/06/14
Maps showing EUCAST implementation updated. 2019/05/25
EUCAST consultation on breakpoints for Burkholderia pseudomallei EUCAST proposes clinical breakpoints for Burkholderia pseudomallei. These are open for public consultation between 23 May and 30 June, 2019. 2019/05/23
Modified Warning The warning against using gradient tests for confirming vancomycin resistance has been modified. 2019/05/21
New consultation - to determine disk content Joint EUCAST and CLSI initiative - proposed SOP for the determination of optimal disk content. 2019/05/21
Revision of aminoglycoside breakpoints - consultation EUCAST proposes to revise aminoglycoside breakpoints - public consultation 30 May, 2019 2019/05/17
Reference broth microdilution for M. tuberculosis complex The EUCAST Subcommittee on Anti-Mycobacterial susceptibility testing proposes a broth microdilution reference method for the determination of MICin organisms belonging to the M. tuberculosis complex. The documents are open for general consultation 15 May - 26 June, 2019. 2019/05/15
EUCAST General Consultation 9 May - 23 June, 2019 EUCAST proposes that agent/species currently categorised as "S" with a note to use high exposure, are re-categorised as “Susceptible, increased exposure” (I) 2019/05/09
The working order between pharma, EMA and EUCAST (update 5 May, 2019) 2019/05/05
RAST updated with criteria for A. baumannii. RAST criteria are updated with Acinetobacter baumanni and screening cutoffs for the sensitive detection of ESBL and carbapenemase producing E. coli and K. pneumoniae. 2019/05/02
EUCAST posters for ECCMID 2019 available 2019/04/10
AFST QC table updated 2019/04/04
EUCAST poster at Network Corner ESCMID 2019 2019/04/03
EUCAST evaluation of antibiotic disks from 9 manufacturers published in CMI Laboratories are advised to check the quality of their antibiotic disks! 2019/03/06
Tedizolid rationale document published 2019/02/25
Expert Rules - general consultation until 1st of April The revised Expert Rules document is now open for consultation (19 February - 1 April, 2019) 2019/02/19
New disks for ESBL confirmation EUCAST introduces new disks for the confirmation of the presence of an ESBL in Enterobacterales. 2019/02/12
Doripenem breakpoints Doripenem breakpoints were removed from the 2019 breakpoint tables following a general consultation in 2018. We have since learnt that doripenem is still available in some countries. Until further notice refer to the v.8.1 breakpoint table for breakpoints. 2019/02/04
Video explaining the EUCAST 2019 new definitions of S, I and R and the ATU. 2019/01/22
Calibration and validation files updated against breakpoint table v 9.0 The disk diffusion method from EUCAST is constantly updated. New breakpoints, new agents and species, new resistance mechanisms necessitates constant updates of these graphs. 2019/01/19
Broth micodilution reading guide fro EUCAST The EUCAST reading guide is now available. 2019/01/19
EUCAST SOP 4 updated from 4.2 to 4.3 This SOP describes the organisation of EUCAST and its subcommittees. The previous versions (SOP 4.0 - 4.2) are also available. 2019/01/16
Updated disk diffusion documents (manual, reading guide, slide show) New nomenclature, reading recommendations for Aeromonas. 2019/01/03
Serbian translations The EUCAST breakpoint table and documents related to the EUCAST Rapid AST directly from blood culture bottles were translated to Serbian by the Serbian NAC. 2018/12/31
Tigecycline dosing - a guidance doc ument Guidance to tigecycline dosing in relation to modified tigecycline breakpoints 2019. 2018/12/23
QC tables v 9.0 (valid from 2019-01-01) Criteria for meropenemvaborbactam, eravacycline and nitroxoline added. 2018/12/23
Clinical breakpoint table 2019 published The final version of the v 9.0, EUCAST breakpoint tables (2019) are now published. A separate dosing table is also made available. 2018/12/23
ATU - guidance to laboratories A guidance to laboratories on how EUCAST propose that laboratories should implement ATU during 2019. 2018/12/21
The implementation of new S, I and R definitions in Serbian The document on how to implement the new definitions of S, I and R are now available in Serbian (previously in English, Spanish and Czech). 2018/12/19
Warning Variable performance of the itraconazole agar in the azole resistance screening plate from VipCheck. 2018/12/13
Consultation on the 2019 Breakpoint tables (until 17 December) The final version of the 2019 EUCAST Breakpoint tables (v 9.0) will be published on 1 January, 2019. 2018/11/30
Rapid AST directly from positive blood culture bottles Methods, QC and breakpoints for rapid AST (reading inhibition zones after 4, 6 and 8 hours incubation) are now available. 2018/11/28
How to introduce the new definitions of S, I and R now available in English and Spanish 2018/11/15
Consultation on H.influenzae and breakpoints for piperacillintazobactam Consultation on H. influenzae and breakpoints for piperacillin-tazobactam - a proposed modification from 1 / 1 to 0.25 / 0.25 mg/L (open 7 November to 30 November, 2018). Comments submitted to scientific secretary John Turnidge. 2018/11/07
EUCAST Rapid AST directly from blood culture bottles 2018/11/06
Warning - meropenem in a Sensititre panel (DKMGN) 2018/11/06
New publication from the EUCAST AFST Subcommittee How to: EUCAST recommendations on the screening procedure E.Def 10.1 for the detection of azole resistance in Aspergillus fumigatus isolates using four-well azole-containing agar plates. J. Guinea, P.E. Verweij, J. Meletiadis, J.W. Mouton, F. Barchiesi, M.C. Arendrup 2018/10/29
Oral amoxicillin breakpoints for S. pneumoniae - consultation Consultation (24 Oct - 30 Nov) on oral amoxicillin breakpoints for Streptococcus pneumoniae. 2018/10/25
Consultation on proposed changes in tigecycline breakpoints 2018/10/22
Redefining susceptibility categories S, I and R, 2019. This presentation aims to explain to colleagues and laboratory staff the changes in the definitions of S, I and R and the consequences for reporting and surveillance. It also explains how to introduce the Area of Technical Uncertainty in laboratories. 2018/10/22