Interpretive criteria of antimicrobial disk susceptibility tests with cefpodoxime
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Updated: Oct 9, 2026

Antimicrobial Characterization of Advanced Materials for Bioengineering Applications
Published on: August 4, 2018
1Institut für Medizinische Mikrobiologie und Klinische Chemie, Weingarten, Germany.
Abstract:
The interpretation of disk susceptibility testing with 30 micrograms cefpodoxime disks was evaluated on the basis of regression line analyses and preliminary MIC breakpoints of 2 and 4 mg/l. Using the DIN-58940 method, zone diameters up to 23 mm are resistant, 24 to 26 mm moderately susceptible, and 27 mm or more susceptible. The respective data for the NCCLS method are: up to 21 mm, 22 to 23 mm, and 24 mm or more.
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