What is the difference between Drug Testing vs Drug Screening?

Career: Drug Testing

AspectDrug TestingDrug Screening
PurposeDetect specific drugs or metabolites in samples for legal, medical, or employment reasonsInitial assessment to identify potential drug use, often as a preliminary step
MethodsLaboratory analysis (urine, blood, hair, saliva)Rapid tests (urine dipsticks, saliva tests)
CertificationsOften requires lab certifications and trained personnelUsually performed with quick, onsite tests
Work EnvironmentLaboratories, medical facilities, testing centersWorkplaces, clinics, or on-site testing locations

Drug Testing involves detailed laboratory analysis to confirm specific drug presence, while Drug Screening is a quick initial test to identify potential drug use. Both are used in employment and legal contexts but differ in complexity and purpose.