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CLSI Press Releases

CLSI is your source for laboratory standards news and information.

Find important updates, industry news, and information on CLSI’s upcoming events. Check out past CLSI press releases, upcoming Committees Week, and newsworthy items.

2024 CLSI Excellence Awards

CLSI Announces Recipients of 2024 Excellence Awards to Recognize Expert Volunteer and Member Achievements

January 23, 2024

The Clinical and Laboratory Standards Institute (CLSI) is pleased to announce the recipients of its 2024 Excellence Awards. The Excellence Awards recognize the achievements of CLSI volunteers and organizational members who are committed to CLSI’s mission and have helped improve the quality of medical care worldwide. Recipients are recognized for dedicating significant time and effort to the development, implementation, and promotion of CLSI standards.

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CLSI Introduces Country-Based Pricing to Increase Global Access to Laboratory Standards

January 9, 2024

The Clinical and Laboratory Standards Institute (CLSI) announced today the implementation of new Country-Based Pricing for countries that meet economic criteria set forth by the World Bank. Effective immediately, this pricing structure will enable laboratories and clinicians around the world, regardless of resources, to more feasibly access CLSI’s robust library of standards documents, training and support materials, and membership.

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CLSI Publishes Second Edition of M24S—Performance Standards for Susceptibility Testing of Mycobacteria, Nocardia spp., and Other Aerobic Actinomycetes

March 31, 2023

The Clinical and Laboratory Standards Institute (CLSI) has published M24S—Performance Standards for Susceptibility Testing of Mycobacteria, Nocardia spp., and Other Aerobic Actinomycetes, 2nd Edition. M24S includes the minimal inhibitory concentrations and QC ranges developed following the standards described in CLSI document M24, which includes susceptibility testing procedures for Mycobacterium tuberculosis complex (MTBC), clinically significant slowly and rapidly growing mycobacterial species, Nocardia spp., and other aerobic actinomycetes. Also included in this standard are recommendations for selecting agents for first-line and second-line drug testing, organism group–specific methodologies, reporting recommendations, and organism quality control criteria.

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CLSI Publishes M100—Performance Standards for Antimicrobial Susceptibility Testing, 33rd Edition

March 3, 2023

CLSI has published M100—Performance Standards for Antimicrobial Susceptibility Testing, 33rd Edition. The tables presented in M100 represent the most current information for drug selection, interpretation, and quality control using the procedures standardized in CLSI documents M02, M07, and M11. This document is intended for use by microbiology labs, antimicrobial stewardship teams, infectious disease experts, and other relevant stakeholders intending to provide optimal patent care using the most up-to-date antimicrobial susceptibility breakpoints and test methods. To ensure the correct use of the document, users should replace previously published tables with the new edition immediately.

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Excellence Awards 2023

January 30, 2023

The Clinical and Laboratory Standards Institute announces the recipients of its 2023 Excellence Awards. These awards celebrate the achievements of CLSI volunteers and organizational members who are committed to CLSI’s mission and have helped improve the quality of medical care worldwide. Recipients are recognized for dedicating significant time and effort to the development, implementation, and promotion of CLSI standards.

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CLSI Publishes 3rd Edition of EP19—A Framework for Using CLSI Documents to Evaluate Medical Laboratory Test Methods

October 28, 2022

The Clinical and Laboratory Standards Institute (CLSI) has published the 3rd Edition of EP19—A Framework for Using CLSI Documents to Evaluate Medical Laboratory Test Methods. The 3rd Edition of the EP19 Report is available free, and introduces the Test Life Phases Model, which points users to CLSI evaluation protocol documents to establish and implement commercially manufactured or laboratory-developed test (LDT) methods.

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ILA37Database

October 21, 2022

The Clinical and Laboratory Standards Institute (CLSI) has announced that a new and updated version of the I/LA37 Database, Supplemental Data for Allergen Specificity for IgE Antibody Autoanalyzers, is now available. The updated database provides essential allergen information for allergy testing manufacturers and hospitals performing allergy testing, both laboratories and clinicians. It includes a harmonized listing of the allergen codes currently used by immunoglobulin E antibody assay manufacturers, along with their common name, Latin name, and allergen grouping.

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