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.