Zone diameter and MIC breakpoints of carbapenems for Enterobacterales based on CLSI M100-ED33:2023
| Antimicrobial agent | Zone diameter breakpoints (mm) | MIC breakpoints (μg/mL) | ||||||
|---|---|---|---|---|---|---|---|---|
| Disk content | S | I | R | S | I | R | ||
| Imipenem | 10 μg | ≥23 | 20-22 | ≤19 | ≤1 | 2 | ≥4 | |
| Meropenem | 10 μg | ≥23 | 20-22 | ≤19 | ≤1 | 2 | ≥4 | |
| Doripenem | 10 μg | ≥23 | 20-22 | ≤19 | ≤1 | 2 | ≥4 | |
| Ertapenem | 10 μg | ≥22 | 19-21 | ≤18 | ≤0.5 | 1 | ≥2 | |
Abbreviations: CLSI, The Clinical & Laboratory Standards Institute; MIC, minimum inhibitory concentration; S, susceptible; I, intermediate; R, resistant.
Korean J healthc assoc Infect Control Prev 2023;28:42~49 https://doi.org/10.14192/kjicp.2023.28.1.42
© Korean J healthc assoc Infect Control Prev