How do I set up an account with CTS?

Just give us a quick call or fill out our contact form. No contracts are required for ordering instant screens from us. If you are looking for services, feel free to reach out and we’ll be able to answer any questions you may have.


How do instant drug testing devices work and what are cutoff levels?

When a drug is consumed, the body excretes this drug as a metabolite. Instant drug testing devices are designed to detect the presence of said metabolite. The “cut-off level” is the minimum amount of the substance that must be present in order for the device to show a presumptive positive result. For example, a cut-off level of 300 ng/mL means that 300 nanograms of the metabolite formed by using a substance must be present within 1 milliliter of the sample.


Do you have customer service?

Of course! Our friendly and knowledgeable customer services reps are available to answer your questions Monday through Friday from 8 a.m. to 4:00 p.m. (AZ Time)