Fundamentals of Drug Testing

Learn about the fundamentals of drug testing and the answers to commonly asked questions, including:

  • Differences between the different drug testing matrices – urine, saliva, blood and hair
  • Using creatinine to combat urine drug test dilution
  • Can poppy seeds cause a positive opioid drug test result
  • Screening cross reactivity and false positives and negatives
  • Why there are no metabolites in saliva drug testing results


Presented by Damon Borg, Ph.D. F-ABFT, Senior Scientific Director and Director of Research and Development, Cordant Health Solutions.