Frequently Asked Questions (FAQ)

Frequently Asked Questions (FAQ)


The EUCAST secretariat receives many questions on subjects ranging from how we determine breakpoints, the MIC-distribution website, and the disk diffusion methodology. We try to answer each question individually but also publish frequently asked questions and answers in a classical FAQ document.

The file is updated at regular intervals.


The update 2019-08-12 contains new Q and As on the new definitions of S, I and R, the ATU, breakpoint revisions, rapid AST directly from positive blood culture bottles, questions posed but not answered due time constraints during the EUCAST/ECCMID workshop 2019. 

Frequently Asked Questions - valid from 2019-08-12 

Frequently asked questions concerning EUCAST RAST (Rapid AST directly from blood culture bottles).


Previous versions of FAQ: