CLSI Membership Frequently Asked Questions (FAQ)

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How do I become a CLSI member?

Visit the Membership section of our website and choose the type of organization you work for and then the level of membership that you believe is best for you or your organization. Next, simply complete the membership application. Once we receive your membership form and payment, you will have immediate access to your membership benefits. If you have any questions about this process, or to join over the phone, call us at +1.610.688.0100.

What are the requirements to become a member?

The only requirement is that you and/or your organization have an interest in fostering excellence in laboratory medicine. We encourage all industries, health care facilities, organizations, associations, agencies, professionals, and students who are in the health care field or work closely with members of the health care field to join CLSI.

How do I determine my membership category?

Please visit the Membership section of our website to determine where your organization fits and what level of membership best meets your business and budget needs.

What if I don't fall into a membership category?

Most of our members are organizations that fall into one of the categories listed on our website. However, we also offer Individual membership options.

Who can take advantage of my organization's CLSI membership benefits?

All employees from the location that signed up for membership are considered CLSI Members. Additional locations are not considered members, but they can sign up for their own membership to receive membership benefits. Level I Industry Members and Health System Members may share certain benefits with multiple locations in their organization.

Can I share documents with other locations within my hospital's network?

No, that is against our copyright policy; however, if you are interested in expanding your membership to multiple locations, learn more about our Health System membership here.

Which membership levels have access to eCLIPSE Ultimate Access?

Level I Industry and Health System members have unlimited access to eCLIPSE Ultimate Access. Level II Industry, Level I Health Care Professions, and Level I Government members have two concurrent licenses, which allows two people from their organization access to eCLIPSE.

To add a license to your membership, or to purchase an eCLIPSE license separately from a membership, click here.

Can I order documents at the same time I apply for membership?

Yes. Mention which documents you would like to purchase at the time of your membership sign-up. If purchasing online, you’ll need to add your membership to your cart first and then the items you’re interested in purchasing in order to ensure your new membership discount will apply to the items in your cart.

How can I tell if my membership dues are up-to-date?

Simply log into the My CLSI Member Center and click “Membership” on the left sidebar. If your membership dues have been paid, your membership will be active for the time frame specified. You can also contact CLSI Membership at or +1.610.688.0100 to find out if your membership dues are up-to-date.

What is a Sustaining Member?

Sustaining Member organizations make a special financial commitment to CLSI above and beyond their membership dues. This additional support helps us to develop consensus documents that address critical issues of quality in medical testing and health care testing. Members also have the opportunity to direct their financial contributions to specific CLSI initiatives such as conferences, education, or our Partnerships programs.

Do you accept purchase orders for membership dues?

CLSI understands that many of our members have accounting departments that must work with purchase orders. We accept purchase orders. When you submit a purchase order for membership dues we will supply you with a membership invoice with that PO number. Memberships will become active once the full payment from that invoice has been received.

What forms of payment do you accept?

Membership payment can be made via check, credit card (Visa, MasterCard, American Express and Discover), and wire transfer. Please make checks payable to CLSI. If you need our bank details please contact us at

How do I update my delegate information?

You can update the information when you receive your annual membership renewal quote or you can use our online form. Just select “I am a current member and would like to update my contact information.” You may also e-mail the new delegate’s name, e-mail address, phone number, and any additional information he or she wishes to provide to

I have a question about a document. Who do I ask?

If you have a technical question about the content of a document, our Standards Department can help you. Please submit all technical questions to If you would like to purchase a document, please contact our Customer Service team at +1.610.688.0100 or visit the Standards area of our website.

Why am I getting e-mail reminders to vote on a document?

As part of the standards development process, eligible CLSI members* are able to review, comment, and vote on CLSI standards. This vote allows members to have a seat at the table during the document development process and allows CLSI to receive valuable feedback. Active members will receive an e-mail notifying them when a document is ready for review and prompting them to review the document and vote.

*Each organization appoints a member delegate and/or alternate delegate as part of the membership. When CLSI sends out a request to vote, this delegate or alternate delegate will have the opportunity to vote. Please note, a full individual member is considered a delegate and can vote on documents.

Interested in voting on a document? Login and visit the voting area of CLSI Exchange.

Can I renew my membership online?

Yes! Simply log into the My CLSI Member Center and if you are within 90 days of your expiration date you will be able to renew online. Otherwise, please contact our Membership team at or use our online form.

How long does CLSI membership last?

CLSI offers annual membership only, but this membership can be started on a rolling basis. If you need a calendar year membership, or a specific start and end date, please contact or +1.610.688.0100 to discuss options.