Recognized Interpretive Criteria
Additional FDA-identified interpretive criteria

 

Minimum Inhibitory
Concentrations
(mcg/mL)

Disk Diffusion
(zone diameter in mm)

Pathogen

S

I

R

S

I

R

Enterobacterales

M100 standard is recognized

Staphylococcus aureus

≤ 16

32

≥ 64

≥ 18

14-17

≤ 13

S = Susceptible; I = Intermediate; R = Resistant