TABLE 2.

Updated CLSI criteria for interpretation of susceptibility testing of carbapenems^a

Agent	MIC breakpoint (μg/ml)			Disk diffusion breakpoint (mm)
	S	I	R	S	I	R
IPM	≤1	2	≥4	≥23	20-22	≤19
MEM	≤1	2	≥4	≥23	20-22	≤19
ERT	≤0.25	0.5	≥1	≥23	20-22	≤19
DOR	≤1	2	≥4	≥23	20-22	≤19

^aSee reference 7. S, susceptible; I, intermediate; R, resistant.