This website is scheduled to undergo routine maintenance on Saturday, 18 February from 5:00 p.m.-11:00 p.m. CST. During this time, you may not be able to schedule, reschedule or cancel test appointments. We apologize for this inconvenience and thank you for your patience.
Chat is the quickest way to reach a customer service agent.
Click on the Chat icon to get started.
If chat is “offline,” click on your region below for telephone numbers and office hours.
Monday–Friday, 7:00 a.m.–7:00 p.m. CT; closed on local holidays.
- Phone: 888-944-8776
- Email form: Ask a question
Last updated 2016-06-06