Join us in celebrating our 50th Anniversary!
Join us in celebrating our 50th Anniversary!

Global Laboratory Standards for a Healthier World

CLSI brings together the worldwide laboratory community to advance a common cause.

I'm Interested in


Antimicrobial Susceptibility Testing

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.
CLSI proudly celebrates 50 years as a standards development organization.

Setting Standards for50 Years

"CLSI's presence has dramatically shaped the quality of laboratory testing over the last 50 years."

Learn More About Our History

CLSI promotesProfessional Development

An unmatched opportunity to maximize your voice.

Volunteer Opportunities

Standards created throughConsensus and Collaboration

To advance a common cause.

Learn More

CLSI membership advancesQuality Practices

Implementing and maintaining an effective quality management system is essential to improving your lab's quality.

Learn More About Membership

Upcoming Meetings View All

September 24–27, 2018September 2018 Committees Week in San Antonio, Texas, USA