Easily order your drug screen conveniently . Once your order is place we will send you your Laboratory e-confirmation that you can present at the selected Specimen Collection PSC location along with your ID (Drivers License). We typically find you a location that is close to the preferred collection city or zip code that you provide us with when you place your order. Results are emailed to you , usually within 24 hours of the specimen collection unless confirmatory testing is required. You do not have to make an appointment at the specimen collection PSC center but it helps to show up at least 30 minutes before they shut down the collection services.