Definately negative to me, if your really worried then make sure you neck a load of water before you go for the test, your piss need's to be clear, if it is clear (like water) then THC can't be detected in your piss regardless, hth.
The codes they want are for dutchgreenclub, a mail order site or something like that, they don't seem to realise this is a growers site, 420.com for your codes lads