Keystone Laboratory administrative offices will be closed on Monday, September 4th to honor and observe Labor Day. We will resume our normal business hours on Tuesday, September 5th.
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August 31, 2022
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Keystone Laboratories, a CAP-accredited North Carolina licensed laboratory and CLIA-licensed lab, is committed to helping you make important decisions that impact the safety and health of your patients with greater confidence. Clients in 48 states can get prescription drug and substance abuse recovery monitoring, specialized testing, workplace drug testing, screening, and program management services from Keystone. Contact Keystone Laboratories today to receive the industry-leading laboratory testing services!
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Our Office
3 McDowell St, Asheville, NC 28801
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1-800-230-2991
Email Us
info@keystonelab.com
Working Hours
Mon - Fri: 8:00 AM to 5:00 PM
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