Chicago Loop Location affordable & accurate lab testing in Chicago Order a Test address Chicago: Located in the Theater district since 2012, we're across the street from The Daley Center Plaza on the corner of Dearborn and Randolph in the same building as McDonald's. Our Chicago Loop location offers DNA testing on a walk in basis or you can schedule an appointment 36 W. Randolph St Suite 705 Chicago, IL 60601 M-F 8.30am to 5.30pm Phone Number P: 847.258.3966 Email firstname.lastname@example.org Ask us a question Name Please enter your name. Email Please enter a valid email. Your Message Please enter a message. Send Message Sent! Message failed. Please try again.