Recently Approved Documents
Performance Standards for Antimicrobial Disk Susceptibility Tests (M2-A9); Protocols for Evaluating Dehydrated Mueller-Hinton Agar (M6-A2); Methods for Dilution Antimicrobial Susceptibility Tests for Bacteria That Grow Aerobically (M7-A7); Performance Standards for Antimicrobial Susceptibility Testing; Sixteenth Informational Supplement (M100-S16)

M6-A2—Protocols for Evaluating Dehydrated Mueller-Hinton Agar; Approved Standard—Second Edition
This standard describes three protocols for the evaluation of dehydrated Mueller-Hinton agar in the disk diffusion procedure for antimicrobial susceptibility testing—the first for use by manufacturers to evaluate production lots of Mueller-Hinton agar; and the second and third for selection and stability testing of primary and secondary reference lots of Mueller-Hinton agar.
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Second Notice

M2-A9—Performance Standards for Antimicrobial Disk Susceptibility Tests; Approved Standard—Ninth Edition
Contains the current CLSI-recommended methods for disk susceptibility testing.
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M7-A7—Methods for Dilution Antimicrobial Susceptibility Tests for Bacteria That Grow Aerobically; Approved Standard—Seventh Edition
Describes standard broth dilution (macrodilution and microdilution) and agar dilution techniques for measuring the in vitro susceptibility of bacteria to antimicrobial agents.
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M100-S16—Performance Standards for Antimicrobial Susceptibility Testing; Sixteenth Informational Supplement
Updated tables representing the most current information for drug selection, interpretation, and quality control using the procedures standardized in M2-A9 and M7-A7. 
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*Available for purchase only with M2-A9, M7-A7, or both.

Our procedures have been designed to ensure that consensus has been achieved when a standard or guideline is published at the approved level. This means that a document has been rigorously reviewed by the authoring subcommittee, the area committee overseeing the project, the Board of Directors, and the medical-testing community that participates in the consensus process by carefully reviewing and commenting on the standard or guideline.

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