Critical threat associated with carbapenem-resistant gram-negative bacteria: prioritizing water matrices in addressing total antibiotic resistance

Table 3 CLSI interpretive standards for carbapenems (CLSI M100-2017)

Carbapenems	Disc content, μg	Resistance		Intermediate		Susceptible		Remarks
Carbapenems	Disc content, μg	DD	MIC	DD	MIC	DD	MIC	DD = disc diffusion MIC = minimum inhibitory concentration
Imipenem	10	≥ 23	≤ 1	20–22	2	≤ 19	≥ 4	Enterobacteriaceae
Meropenem	10	≥ 23	≤ 1	20–22	2	≤ 19	≥ 4
Ertapenem	10	≥ 22	≤ 0.5	19–21	1	≤ 18	≥ 2
Doripenem	10	≥ 23	≤ 1	20–22	2	≤ 19	≥ 4

ISSN: 1869-2044