Same place you get urine tests that test for weed or crack--go online and search for drug test kits. There are several vendors.
Urine testing is used for tracing prohibited drugs in your body.
It depends on the spectrum of the test. Some test for any and all drugs while others test for certain types.
Different companies use different kind of tests. They can be one, five ot more panel tests. Which means that they screen for different drugs. I will give you some samples:Cocaine - Includes Cocaine,...
doctors test for diffrent types of desiases and sometimes drugs-ebush