CLSI Support

For immediate assistance or support, contact CLSI by any of the methods listed below:

Phone: +1.610.688.0100
Toll Free (US): 877.447.1888
Fax: +1.610.688.0700

CLSI Frequently Asked Questions (FAQ)

View our FAQs

Submit a Question Online

If you would like to submit a question to CLSI, please fill out the following form:

Please let us know how we can help. We will get back to you as soon as possible.