Gender (as well as the age of the donor) is not a factor. Drug testing methodologies have no ability to determine gender - they only recognize drug metabolites.

With that being stated, any human urine sample can be used as a sub as long as the donor is indeed drug-free (that includes scripted/OTC meds to avoid any hassles with the lab and/or MRO). Also, be sure that the sub donor had not consumed a large amount of fluids prior to donating the sample to you (to avoid a "too-diluted" ruling).

Employment-related U/A's are unobserved unless the donor had been suspected of tampering.
Burnt Toast Reviewed by Burnt Toast on . Help, opinions please. I have even clean for about 3 years and of course I get a fantastic job opportunity but it involves a piss test. Here's the kicker. Go figure I started smoking occasionally again about two months ago. Once at night a couple times a week and during the weekend afternoons :(. I havnt smoked in about two weeks as of today. I'm basically screwed huh. My dads friend hooked me up with the job and it would be very embarrassing if I failed ya know. I don't know when the test is but it could be this Rating: 5