Contact Us

Need assistance? Call  Lab Tests Direct toll free at 1-877-402-4221 to speak with a customer service representative. 
We will be happy to help you. 

Customer Service Hours of Operation:
24 hours a day, 365 days a year 

Customer Service Chat Hours:
Monday - Friday 8 a.m. to 8 p.m.

You can also send correspondence to:

HNL Lab Medicine
Corporate Headquarters/Core Lab

794 Roble Road
Allentown, PA 18109-9110

Please note: No specimen collection at this site.
Please visit our Patient Locator to find a location near your.
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