VISA, MasterCard, American Express, and Discover are accepted. Members, depending on their level, receive discounts and free access to products. Learn more here.
Yes, if products are in saleable condition, the customer may return the items for credit or exchange (within six months of the transaction) and include a copy of the packing slip to:
Attn: Rebecca Cason, CLSI Returns
9050 Junction Drive
Annapolis Junction, MD 20701
Yes, please let us know in your online form or when you speak to us.
For membership, product invoices, or new orders, please send payments to:
CLINICAL AND LABORATORY STANDARDS INSTITUTE
PO Box 645766
PITTSBURGH, PA 15264-5255
For overnight payments, please send payments to:
PNC Bank C/O CLINICAL AND LABORATORY STANDARDS INSTITUTE
Lockbox Number 645766
500 1ST AVE
PITTSBURG, PA 15219