Types of Drug Testing


SDI Health occupational drug and alcohol screening technicians perform
express testing, or collect the sample and send it to our Substance Abuse
and Mental Health Services Administration (SAMHSA) certified laboratory.

Express (pre-screen)

  • Tests can be conducted at our testing facility or we can come to your workplace
  • Immediate release of negative test results
  • Non-negative results are sent to our lab to confirm the levels of the substance detected in the body

Lab Based

  • We collect your specimen and send it straight to our lab
  • No results will be given at time of collecting
  • Allows us to determine the level of multiple drugs using a single sample
  • Confirms non-negative screening results
  • Negative results should be released in 24 hours, positive samples may take up to 72 hou