Mode of Drug Testing


Drug testing methods

Each testing method has its advantages and limitations. Schools should learn more about the merits and disadvantages of each testing method before making decision on which method to adopt.


Comparison of drug testing methods:

 
Urine Screening Test
Urine Laboratory Test
Hair Test
Mixed Mode
Testing Method
Conducted instantly after collecting urine specimen. Urine specimen will be sent directly to the laboratory for test. Hair specimen will be sent directly to the laboratory for test. Students and parents can choose either one of the testing methods at their own will.
Advantages
Instant result is available. Assurance of reliable and accurate result. Assurance of reliable and accurate result.
Able to show 3-month or above drug-taking history.		 More flexibility for parents and students.
Disadvantages
Possibility of false-positive result.

Only able to show few days to a week’s drug-taking history.		 Instant result not available.

Only able to show few days to a week’s drug-taking history.		 Instant result not available.

Not applicable to students bald or with very short hair.		 Schools need to keep two sets of testing kits
More time is needed to verify and take record of the testing method chosen by the selected student.