For a better drug screen experience

Make sure you have scheduled your appointment and paid your fee (If required for your service) (Please make sure you read the description under the service you are getting)
Make sure you have your requisition form, a valid photo ID, payment.
Make sure you have drank PLENTY of water BEFORE your appointment. If not you will be required to wait to be seen due to you having a shy badder.
If you're on any prescription medications make sure you inform the physician if called for explanation on anything found in your specimen.
If you are on your menstruation, you still can get a drug screen done it will not affect your results.