NDS Blog

Laboratory Drug Testing – Urine
Drug Testing

Laboratory Drug Testing – Urine

Most drug testing in the United States involves a laboratory receiving and testing urine, oral fluid, hair, or blood specimens. In this blog post we

hair drug testing, urine drug testing,oral fluid drug testing
Hair

Choosing the Best Drug Test Specimen Type

Since the 1980s, urine testing has dominated the drug testing market in the United States.  Over the past few years,  alternative specimen types and expanded

DOT 5 Panel Drug Test
DOT

What is a DOT 5 Panel Drug Test?

DOT regulated employers must do DOT drug testing using the standard approved DOT 5 Panel Drug Test with testing performed at a SAMHSA certified laboratory.

Shy Bladder Drug Test after 3 Hours
Drug Testing

Shy Bladder Drug Test after 3 Hours

This article will discuss the shy bladder drug test when the 3 hours expires, and the donor has not provided a specimen.  We will cover

What Is A Negative Dilute Result?
Drug Testing

What Is A Negative Dilute Result?

On the surface, it would seem like something, such as a drug test would be simple to interpret. The result is either positive or negative,

Tips For Getting A Urine Specimen For DOT Testing
Specimen Types

DOT URINE SPECIMEN COLLECTION – STEP 1

If you have a business in logistics or professional transportation, you probably have to make sure you comply with DOT drug testing regulations, and occasionally