Stop using any non-prescribed drugs immediately
Follow the test instructions exactly
Bring valid identification if required
Disclose any prescription medications or supplements you are taking
Ask the testing site about any required forms or timing
Stay hydrated normally unless instructed otherwise
Avoid alcohol and other substances before the test
Get a copy of your prescription list if needed
If you are using a legally prescribed medication, inform the tester or medical review officer
If you are concerned about a false positive, request confirmation testing