Contact Us

Contact Info

BLT System

Dr. John W. Larson

18140 Zane Street NW #303

Elk River, MN  55330


Phone:  763-241-5436

Note that when calling this phone number you will likely have to leave a voice message and someone will return your call as soon as possible.


Please note the above address is not a location to provide your lab samples.  All lab sample must be provided at a LabCorp facility.  To find the closest LabCorp location click on this link: