Need a purchase order or to check out with a different form of payment?
View our Guide, download an order form, or contact CustomerSupport.
Looking to buy multiple copies? We offer volume discounts. Contact CustomerService@clsi.org for assistance.
PDF documents and eLearning product registrations are licensed to the user named in checkout. If you are not the intended user, please contact Customer Support before checking out.
Sign in to view exclusive member pricing.
CLSI is a 501(c)(3) nonprofit organization with a commitment to public health and the promotion of global standards. You can help support our mission, and laboratory excellence everywhere, with a donation.
Your contributions make possible subsidized pricing and programs for under-resourced communities, ensuring that everyone, everywhere has access to standards and guidance.
