MIC break- point er i følge Clinical and Laboratory Standards Institute (før National Committee for Clinical Laboratory Standards) er 8 µg/ ml (følsom), 16- 32 µg/ ml (intermediate) og 64 µg/ ml (resistent) overfor Entrobakterier og Staphylococcuss spp.
The MIC breakpoints according to the Clinical and Laboratory Standards Institute (formerly National Committee for Clinical Laboratory Standards are 8 µg/ ml (sensitive), 16-32 µg/ ml (intermediate) and 64 µg/ ml (resistant) for Enterobacteriaceae and Staphylococcus spp..