Metro Lab LLC is a full-service laboratory testing facility in Washington, D.C., specializing in toxicology, substance abuse testing, and medical exams. The service is excellent, fast, professional, and expeditious. The staff is very polite, respectful, and attentive. The facility is clean and well set up in an accessible, decent neighborhood. Wait times are short, leading to an in-and-out experience. It is considered the best place for medical exams in the DMV area with superb ratings. The location is convenient next to a citibike station, though there is no parking lot and phone communication is difficult.
