contact us LOCATION & CONTACT Phone(269) 216-3668 Fax(269) 216-3986 location3414 Lovers Lane, Suite A Kalamazoo, MI 49001 Hours of operationTestSource Lab observes all COVID-19 protocols to deliver safe care. Hours are Monday - Friday: 8:00 am to 4:30 pm. Appointments are not required. Walk-ins Welcome! Fast: You are In-and-Out in typically in less than 15 minutes On-Site and Mobile Testing Available Random Testing Programs Same Day Results on many tests Court Admissible Results Ask us a question Name Email Subject Phone Message