LabCorp offers same day appointment scheduling online, but they must be scheduled at least two hours in advance. However, appointments are not necessarily required, according to LabCorp,
To schedule an online appointment, visit Labcorp.com and search for the nearest location. Not all tests are offered at each location, so it is best to check test availabilities before making an appointment. Testing for children is available, but kids must be accompanied by adults. Patients can be tested for a wide variety of conditions. Some of the tests include screenings for allergies, urinary tract infections, Lyme disease, diabetes mellitus, drugs, alcohol and paternity testing, according to LabCorp.