Test Expert Plus can help health care practitioners to easily determine the etymology or root cause of varied illnesses such as allergies, migraine and others. It was patterned according to the Vegatest method and based on the electro-acupuncture according to Voll. This diagnostic device can be used without causing any side-effects to the patient. It works by identifying localized inflammation points, strained or possibly malfunctioning organs. It also a tool that recognizes interconnection of organs and other body parts as well as defines the effects of viruses, toxins and bacteria. Considering what the Test Expert Plus can do, it would be a great help for doctors and therapists to diagnose holistically.