Workplace Drug Testing >> Services >> Oral Fluid Drug Testing

Oral Fluid Drug Testing

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Oral fluid samples are sent to our laboratory where screening and confirmation testing is performed by qualified and experienced laboratory scientists.

Oral fluid drug testing features

  • Fully validated laboratory methods independently accredited to ISO/IEC 17025:2005
  • EWDT follows European Workplace Drug Testing Society (EWDTS) guidelines 
  • Easy to use sample collection kits that allow for full chain of custody
  • Secure, barcoded kits for sample collection
  • Rapid sample screening using the latest and most reliable technology for all routinely abused drug groups. Results reported the same working day.
  • Confirmation of results by any combination of GC-MS, GC-MS-MS, LC-MS-MS to provide legally defensible analysis identifying the presence of drugs or their metabolites. Confirmatory results are reported within 5 working days.
  • Toxicological assessment to help determine where the drug came from: this could include cold remedies or prescription drugs
  • Medical review
  • Expert testimony for court attendance and tribunals.

Sample collection kits

  • EWDT's oral fluid sample collection kits contain everything you need to collect a sample and return it to the laboratory under chain of custody including:
  • Collection device
  • Barcode labels and tamper evident seals
  • Laboratory test request form
  • Tamper evident sample bag
  • Postage bag.

Which drugs can be tested? 

We can detect a wide range of drugs and metabolites and we continue to develop tests for new drugs of abuse. The most commonly requested drug tests are:

  • Amphetamines (including ecstasy)
  • Benzodiazepines
  • Cannabis
  • Cocaine
  • Methadone
  • Opiates
  • Over 1200 other tests are available.

Advantages of oral fluid testing

  • Simple and less invasive sample collection
  • Observed sample collection meaning it is more difficult to cheat
  • No requirement for designated facilities during sample collection
  • Possible use in random and for cause testing


Please download a copy of our brochure or contact us for further information.