CLSI Microbiology Standards Subcommittees & Resources
Advancing the Field of Microbiology with Timely AST Standards
View Meeting Files and Resources
- Meeting Presentation Minutes
- M100 Resources
- Other Tools Used for Decisions
View Educational Resources
Access Our Free Microbiology Standards Resources
This guideline discusses the necessary and recommended data for selecting appropriate breakpoints and quality control ranges for antimicrobial agents.
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With these read-only web versions of M100 and M60, you can now quickly reference the most trusted AST and antifungal breakpoints from anywhere with an Internet connection. Available online as a convenient companion to our M100 document and M60 document.
Access M100 and M60 Free
Our rationale documents provide the scientific reasons behind the AST subcommittee’s decisions, along with documentation of the standardized data and methods used to determine breakpoints.
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Future AST Meetings
CANCELLED: June 11–16, 2020
Baltimore, Maryland, USA
January 21–26, 2021
Arlington (Dallas), Texas, USA
Recent AST Meetings
January 23–26, 2020
Tempe, Arizona, USA
June 13–18, 2019
Dallas, Texas, USA
Marcy L. Hackenbrack, MCM, M(ASCP)