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Clinical and Laboratory Standards Institute
950 West Valley Road, Suite 2500
Wayne, PA 19087 USA

Phone Numbers

P: +1.610.688.0100
F: +1.610.688.0700
Toll Free (US): 877.447.1888
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If you have technical questions regarding the content of CLSI standards and guidelines, please e-mail


Did You Know?

CLSI distributes more than
75,000 standards and guidelines per year, worldwide.

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