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Happy Medical Laboratory Professionals Week!

CLSI would like to thank you for all of your hard work throughout the year with a special Lab Week offer for CLSI members.

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Developing Globally Applicable Clinical Laboratory Standards

The standards delivered by CLSI are built on consensus to provide the most widely accepted clinical guidance for continually improving quality, accuracy, safety, and efficiency in laboratory testing and reporting.

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Putting Standards Into Practice to Improve Patient Care Worldwide

Through our educational resources and global outreach services, CLSI is committed to helping clinical laboratories implement quality practices for better health.

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Find High-Quality Standards and Guidelines Related to Your Specialty Area

Each CLSI document focuses on different areas of usage, including education, information management, laboratory basics, quality management systems, and verification and validation.

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Why Use Our Standards?

  • Facilitate your laboratory’s accreditation preparedness.
  • Speed development of standard operating procedures.
  • Streamline product review processes with data packages that meet regulatory requirements.

Learn How to Put CLSI Standards Into Practice to Improve Quality

CLSI U is geared to meet the needs of busy laboratorians by providing a variety of resources that make participation in continuing educationbased programs easy.

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Why Choose CLSI U?

  • Enhance comprehension and use of CLSI standards in the laboratory.
  • Learn from the experts who developed the standards.
  • Earn continuing education credits from P.A.C.E.®.

clsi u education resources

See all the educational opportunities and offerings available at CLSI U.

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Access Everything You Need to Achieve Excellence in Laboratory Testing Quality

The value of a CLSI membership begins with significant discounts on our trusted clinical laboratory standards and guidelines, but the benefits extend far beyond cost savings.

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Why Join CLSI?

  • Receive up to 70% savings on CLSI products and programs.
  • Connect with 2,000+ organizations in the global laboratory community.
  • Actively collaborate on CLSI standards development.

membership special

Join CLSI this month and receive $100 OFF your organizational membership!

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Maximize Your Voice in the Global Health Care Community

Volunteering with CLSI gives you an unmatched opportunity to contribute your own expertise to improve laboratory testing quality and patient health worldwide.

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Why Volunteer?

  • Take part in developing the standards that affect the work you do each day.
  • Provide hands-on support services that can help save lives.
  • Enrich your professional career and resumé while making a personal impact.


Explore volunteering for Standards Development or Global Health Partnerships.

Call for Volunteers

CLSI Membership

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Join CLSI and unlock new
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Upcoming Educational Opportunities

CLSI Webinar:
EP23™ and POCT: Tackling Risk Management

Are you interested in learning how to address the new CMS/CLIA (Centers for Medicare & Medicaid Services/Clinical Laboratory Improvement Amendments) individualized quality control plan (IQCP) from a point-of-care testing (POCT) perspective? If so, check out this CLSI webinar, which highlights the steps for incorporating the concepts of EP23 into your IQCP for POCT, while discontinuing the use of the original equivalent quality control.


May 14, 2014
1:00-2:00 PM Eastern (US) Time

register today!

2014 Catalog

CLSI-Catalog_WEB 2

The CLSI 2014 Catalog is your source for all CLSI standards, companion products, educational resources, and more.

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Now Available—CLSI’s EP23 Online Workshop! A fun and interesting way to meet the new IQCP requirements recommended by CMS.

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View our crosswalks to easily find the CLSI documents that you need to help your laboratory prepare for accreditation and inspection.


CAP_CrossWalk_Draft_Oct4 1          CLMA_CrossWalk_WEB 1          CLSI_FDA_CrossWalk_Template_042513_Page_1          CLSI_JointCommission_CrossWalk_Template_042513_Page_1


Our Featured Video

Luann Ochs

  • Recent News
  • Published Articles


CLSI Recognized Volunteers at the 2014 Leadership Conference

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CLSI Releases New Molecular Methods Standards—MM09-A2 and MM22-A

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Everything You’ve Always Wanted to Know About the Care and Upkeep of Clinical Laboratory Equipment

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QMS: A Model for Laboratory Services GP26-A4

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Sign Up For Your Free Trial of eM100, CLSI's Interactive Searchable Version of M100-S24!

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M100-S24—The Essential Standard for Antimicrobial Susceptibility Testing!

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Feature-Rich Method Evaluation Software From CLSI

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