Pre-Order CLSI M100 Ed35 and Unlock Your Lab’s AST Potential
This annual update is an essential resource for microbiology laboratorians and clinicians, helping ensure accurate testing and treatment decisions.
What's New
Upcoming Webinar
CLSI M100 Update Webinar 2025: Implement CLSI M100 With Confidence
Date: Wednesday, 26 February 2025 at 1:00-2:30 ET
Receive the latest guidance for implementing new breakpoints and standards into your laboratory practices, including discussion of the major changes in this edition, including:
- A significant addition of a new appendix
- Expanded QC guidance
- Removal of breakpoint
- A new categorization of disk diffusion methods described in CLSI M02.
Featured Products
CLSI M100 - 2025 Preorder | Performance Standards for Antimicrobial Susceptibility Testing, 35th Edition
CLSI M100-Ed35 includes updated tables for the Clinical and Laboratory Standards Institute antimicrobial susceptibility testing standards CLSI M02| Performance Standards for Antimicrobial Disk Susceptibility Tests, 14th Edition (2024), CLSI M07| Methods for Dilution Antimicrobial Susceptibility Tests for Bacteria That Grow Aerobically, 12th Edition (2024), and CLSI M11 | Methods for Antimicrobial Susceptibility Testing of Anaerobic Bacteria, 9th Edition (2018).
CLSI GP40 | Preparations and Testing of Reagent Water in the Medical Laboratory, 5th Edition
CLSI GP40 provides guidelines on water purified for medical laboratory use, methods for monitoring water quality and testing for specific contaminants, and water system design considerations.
CLSI M64 | Implementation of Taxonomy Nomenclature Changes, 1st Edition
CLSI M64 includes recommendations for implementing nomenclature changes for medically important bacteria and fungi that are identified and reported from clinical specimens, especially when testing for antimicrobial susceptibility.
CLSI C34 | Sweat Testing: Sample Collection and Quantitative Chloride Analysis, 5th Edition
CLSI C34 describes methods for all aspects of sweat testing, including collection and analysis, results evaluation and reporting, and quality control.
CLSI QMS14 | Quality Management System: Leadership and Management Roles and Responsibilities, 2nd Edition
CLSI QMS14 presents concepts and information to assist a laboratory in meeting leadership requirements for its quality management system. Guidance is provided for leaders to effectively design, implement, and maintain the cultural, structural, and functional aspects of their laboratory that are critical to managing and sustaining quality.
CLSI AUTO11 | Information Technology Security of In Vitro Diagnostic Instruments and Software Systems, 3rd Edition
CLSI AUTO11 provides a framework for communication of information technology security issues between the in vitro diagnostic system vendor and the health care organization.
CLSI QSRLDT | Quality System Regulations for Laboratory-Developed Tests: A Practical Guide for the Laboratory, 2nd Edition
This practical guide, compiled with the help of experts from the in vitro diagnostics industry, is intended for the laboratory that is creating laboratory developed tests that may be subject to the US Food and Drug Administration (FDA) regulations, specifically the Quality System Regulation (QSReg), 21 CFR Part
Learn More About CLSI
Learn More About CLSI
CLSI and our volunteer members actively identify and develop new guidance on standards that raise laboratory testing quality, safety, and efficiency. We are setting the bar for how that guidance is delivered.
Learn morePress Releases View All
- CLSI Forms Strategic Laboratory-Developed Test (LDT) Final Rule Advisory Group
- The Clinical and Laboratory Standards Institute Announces the Publication of New Antimicrobial Susceptibility Testing Documents CLSI M100-Ed34, M02-Ed14, and M07-Ed12
- CLSI Announces Recipients of 2024 Excellence Awards to Recognize Expert Volunteer and Member Achievements