Minimum Inhibitory
Concentrations (mcg/mL)

Disk Diffusion
(zone diameters in mm)

Pathogen

S

I

R

S

I

R

Acinetobacter-baumannii calcoaceticus complex

≤ 4/4

8/4

≥ 16/4

≥ 17

14 – 16

≤ 13

S = Susceptible; I = Intermediate; R = Resistant