April 2020—The Clinical and Laboratory Standards Institute has published its annually updated antimicrobial susceptibility testing supplement, “M100: Performance Standards for Antimicrobial Susceptibility Testing, 30th ed.” M100 is available as part of a package with either “M02: Performance Standards for Antimicrobial Disk Susceptibility, 13th ed.” or “M07: Methods for Dilution Antimicrobial Susceptibility Tests for Bacteria That Grow Aerobically, 11th ed.,” or all three documents can be purchased together. A free, read-only web version of M100 is available at https://j.mp/2UEHgtj.
M02 covers the current recommended methods for disk susceptibility testing and criteria for quality control testing and includes the M02 Quick Guide. M07 covers reference methods for determining minimal inhibitory concentrations of aerobic bacteria by broth macrodilution, broth microdilution, and agar dilution. M100 includes annually updated tables for M02, M07, and M11.
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