If you passed the piss test, then you'll pass the swap test. I think it's only detectible for a day or tw anyway with the swap test.
benagain Reviewed by benagain on . Help (cheek test) How long does it take for my cheek to be clean for the cheek swab test? I have been clean for 3 1/2 weeks and had to take a test for a job at Lowes warehouse. I took the test and she only had it in my mouth for 1 min when the directions on the recipt they gave to me said it had to be in there for 2 to 5 min. Well on that same day my wife and I drove to walmart to buy a piss test to give me some sort of an idea If I would at leastpass that, well I did pass that test(piss test). I took the Rating: 5