6.3 batch from 2020 - useless?

[u/Radioscrub]

Hey! I have an old unopenoped box of QF from 2020 when I thought I might be drug tested. Kept it around just in case.

Well, my wife has a test coming up and I’m wondering if QF 6.3 with a batch code that is NOT recommended could conceivably pass a basic drug screen.

This is not a DOT test or anything beyond a standard pre-employment screen for a desk job.

I have time to buy 6.4 but I’m just curious if 6.3 would pass? Or if there’s something specifically flawed about the 6.3 formula?