Verkkointroducing the new and improved online test directory. Our next generation search tool (formerly test center) has new, advanced features to help you quickly identify. Verkkoour test directory includes detailed information, guides and references for many of our tests. This includes test and result codes, specimen collection requirements,. ♦ a patient purchases genetic insights online at quest (questhealth. com). ♦ a saliva collection kit is mailed to the patient.