The Blackwell Medical Tower is in the heart of the medical district and home to several physician and specialty offices. Appointments are required for our Laboratory Patient Service Centers. If patients are unable to schedule online, patients may call (256) 265-2522 to schedule an appointment Monday through Friday, 8 a.m. to 4:30 p.m. If you have tested positive for COVID-19 or are awaiting results, call (256) 265-2522 to schedule your appointment.