Thyroid Testing Update: Effective 02/01/2026, T3 Uptake will be discontinued and replaced with Free T4 testing. Free T4 more directly reflects active thyroxine levels and supports clearer clinical interpretation than older, indirect binding assessments. (Click here for more information)
UPS ALERT: Severe weather is impacting the Northeast portion of the United States. Delays in Services are expected, specifically in Connecticut, Delaware, Massachusetts, New Jersey, New York, Pennsylvania, and Rhode Island. We appreciate your understanding and patience as we work closely with UPS to help ensure that shipments arrive as quickly and as safely as possible.