Quest Diagnostics offers a range of medical testing services, including COVID-19 antibody testing, drug screening, and routine lab tests. The company's locations feature friendly and helpful staff, clean facilities, and efficient service. Patients can schedule appointments online and prepare for their tests using the company's website. The Denville site, in particular, is described as a "model PSC" with a clean, pleasant, and professional atmosphere. Overall, Quest Diagnostics is praised for its reliable and convenient services, as well as its caring and competent staff.
