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CLSI Standards: Guidelines for Health Care Excellence

Developed by our members for use by the global laboratory community, CLSI’s consensus-based medical laboratory standards are the most widely recognized resources for continually improving testing quality, safety, and efficiency.

Browse our collection of consensus-based medical laboratory standards documents. Choose from print or electronic versions of CLSI standards and guidelines.

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Effective 04 January 2024, CLSI is pleased to offer Country-Based Pricing for customers who meet established economic criteria. Visit our Country-Based Pricing page for more information about this new program. Note: Discounted pricing is available only when a customer is logged in to his/her CLSI account.

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Implement CLSI M100 With Confidence

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LDT Foundations Webinar Series: Navigating Design Controls for LDTs
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Identification and Methicillin Resistance Testing for Staphylococci other than S. aureus (SOSA) – What to Do Now?

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What's New in Method Evaluation?

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LDT Foundations: Standards to Prepare for Stage 1 Requirements
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Leading a Successful and Quality Molecular Oncology Laboratory: Actionable Guidance for Laboratory Directors and Supervisors from CLSI MM26
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Streamline the FDA Approval Journey: A Panel Discussion with the FDA, CLSI, and Abbott Laboratories
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LDT Foundations: An Overview of FDA's Final Rule on LDTs
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Breaking Bad Bacteria: Mastering the 2024 CLSI Antimicrobial Susceptibility Testing Updates

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June 2024 Education Session: Exploring Beta-Lactam Combination Agents: Opportunities, Gaps, and Challenges?

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