- Adulterated specimen
- Alcohol
- Alcohol Concentration
- Alcohol Confirmation Test
- Alcohol Screening Device
- Alcohol Screening Test
- Alcohol Testing Site
- Alcohol Use
- Blind performance test specimen
- Blind specimen
- Breath Alcohol Technician
- Cancelled test
- Chain of custody
- COC
- Collection container
- Collection site
- Collector
- Confirmation drug test
- Confirmation validity test
- Confirmatory drug test
- Confirmatory validity test
- Confirmed drug test
- Consortium/Third-party administrator
- Continuing education
- C/TPA
- Cutoff Level
- Department of Transportation
- DER
- Designated employer representative
- Dilute specimen
- DOT
- Drug Free Workplace Act
- Drug Metabolites
- EBT
- Employee
- Employer
- Evidential Breath Testing Device
- Gas Chromatography
- HHS
- Immunoassay
- Initial Test
- Invalid drug test
- Laboratory
- Mass Spectrometry
- Medical Review Officer
- Metabolite
- MRO
- Negative Result
- Observer
- Positive Result
- Primary specimen
- Safety-Sensitive Position
- SAP
- Screening Test Technician
- Shy Bladder
- Specimen bottle
- Split specimen
- Stand-down
- Substance Abuse Professional
- Substituted specimen
- Threshold
- Verified test
