CLSI is the meeting place for the world’s savviest experts on laboratory standards. With more than 26,000 professionals in our membership and 1800 active volunteers on committees and working groups, the CLSI community represents some of the foremost leaders in the field. Become a member -- stay on the leading edge of industry knowledge and help shape the future!
About Us
Global Leader in Laboratory and Diagnostic Testing Standards
CLSI is a not-for-profit organization that develops consensus-based international laboratory standards and testing guidance. Our standards and training are recognized by laboratories, accreditors, and government agencies as the best way to improve medical laboratory testing, bring products to market faster, and navigate regulatory hurdles.
Our Mission
Develop clinical and laboratory practices and promote their use worldwide.
Our Vision
Setting the standard in laboratory medicine for a healthier world.
What We Do
For over 50 years, CLSI has worked to promote global public health with guidance in areas including:
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Automation and Informatics -
Clinical Chemistry and Toxicology -
Preexamination -
Hematology -
Immunology and Ligand Assay -
Method Evaluation
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Microbiology -
Molecular Methods -
Newborn Screening -
Point-of-Care Testing -
Quality Management System -
Veterinary Medicine
By the Numbers
58
Years as a Standards Development Organization1807
Active Volunteers26,250
Professional Members155+
Countries using CLSI Standards1,100+
Member Organizations76
Countries with CLSI Members292
Standards & Guidance Products6,763
Participants in CLSI Training Programs this Year32
New Publications this Year58
Years as a Standards Development Organization1807
Active Volunteers26,250
Professional Members155+
Countries using CLSI Standards1,100+
Member Organizations76
Countries with CLSI Members292
Standards & Guidance Products6,763
Participants in CLSI Training Programs this Year32
New Publications this Year
Consensus-Based Standards
CLSI develops standards with balanced representation from experts in industry, government, and health care, and a public review and voting protocol to ensure standards meet laboratory needs.
Global Impact
CLSI guidance and training supports laboratories around the world, helping them achieve sustainable quality and a higher standard of care diagnosing and treating patients.
A Community of Experts & Leaders
Featured Press Release
CLSI's MicroFree Platform is Recognized by ASAE
CLSI Micro Free is a tool that provides free access to the most trusted and updated information on antimicrobial susceptibility (AST) methods and interpretive criteria. This platform, accessed by more than a million users every year, has been recognized by ASAE for its impact helping improve the management of infectious diseases, reduce the emergence of antimicrobial resistance, and ultimately save lives around the world.
ASAE Power of Associations Gold Award
Core to our mission is a commitment to making these critical health resources available and accessible to the global community in service to public health everywhere. CLSI MicroFree is a tool that provides free access to the most trusted and updated information on antimicrobial susceptibility (AST) methods an interpretive criteria. This platform, accessed by more than a million users every year, has been recognized by ASAE for its impact helping improve the management of infectious diseases, reduce the emergency of antimicrobial resistance, and ultimately save lives around the world.
Careers
A Bold Mission Needs
a Strong Team
We’re always on the lookout for great talent and opportunities to collaborate. Learn more about what it’s like to work at CLSI.
