If you select a preferred testing location, please be aware that not all testing centers provide all drug and breath alcohol tests. In the event that a preferred testing center does not offer the test you have ordered an alternate testing center will be selected for you. Testing locations do not accept payment and require a test registration/donor pass to conduct a drug, alcohol or DNA test. You must call (800)221-4291 to register or online for the test. No appointment is needed, but a test registration is required. Not all testing centers are listed, Call for additional locations.