TPCA Lab Contact Information: TPCA Lab and Diagnostic Imaging Center. 1803 Miccosukee Commons Dr. Tallahassee, FL 32308. (850) 942-6624. (850) 942-6958. Hours of Operation: Monday-Friday from 6:30 a.m. to 5:00 p.m., Closed Saturdays and Sundays..