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Table. 4.

Table. 4.

Information and interpretive criteria for susceptibility testing for Lactococcus spp.*

Antimicrobial class Antimicrobial agent Minimum inhibitory concentration (mg/mL)
Susceptible Intermediate Resistant
Penicillins Penicillin ≤1 2 ≥4
Ampicillin ≤1 2 ≥4
Cephems Ceftriaxone ≤1 2 ≥4
Carbapenems Meropenem ≤0.25 0.5 ≥1
Glycopeptides Vancomycin ≤2 - -
Tetracyclines Tetracycline ≤2 4 ≥8
Macrolides Erythromycin ≤0.5 1∼4 ≥8
Lincosamides Clindamycin ≤0.5 1∼2 ≥4
Fluoroquinolones Levofloxacin ≤2 4 ≥8
Folate pathway inhibitors Trimethoprim-Sulfamethoxazole (SXT) ≤2/38 - ≥4/76

*Clinical & Laboratory Standards Institute (CLSI) M45, 2015.

Korean J Clin Lab Sci 2021;53:277-83 https://doi.org/10.15324/kjcls.2021.53.3.277
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