Contact Information
Here's how to get in touch with TriMatrix.
Grand Rapids, Michigan Laboratory
5560 Corporate Exchange Court, SE
Grand Rapids, MI 49512
USA
Office: 616.975.4500
Fax: 616.942.7463
Sample Receiving & Sample Collection Kit Pick-Up
Sample Receiving is open each weekday from 7 a.m. to 10 p.m. TriMatrix is also open most Saturdays from 8 a.m. to 12 p.m. for the delivery of collected samples or pick-up of sample collection kits. Please contact TriMatrix to confirm Sample Receiving hours.

