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Clinical and Laboratory Standards Institute
950 West Valley Road, Suite 2500
Wayne, PA 19087 USA
CLINICAL AND LABORATORY STANDARDS INSTITUTE
PO Box 645766
PITTSBURGH, PA 15264-5255
PNC Bank C/O CLINICAL AND LABORATORY STANDARDS INSTITUTE
Lockbox Number 645766
500 1ST AVE
PITTSBURG, PA 15219
P: +1.610.688.0100
F: +1.610.688.0700
Toll Free (US): 877.447.1888
Customer Service phone hours
8:30 AM–5:00 PM Eastern (US) Time