Exceptions or additions to the recognized standards

 

Minimum Inhibitory
Concentrations
(mcg/mL)

Disk Diffusion
(zone diameter in mm)
Pathogen

S

I

R

S

I

R
Enterobacterales

≤8

 -

≥16

≥18

 -

≤17

S = Susceptible; I = Intermediate; R = Resistant