UR Drug Screening SAP 950/2000 + ALC.
Test code breaks down as follows:

SAP = Substance Abuse Panel (Screen)

9 = 9 types of drugs (panels) to be tested - with THC being among them, of course

50 = 50 ng cutoff limit for THC

2000 = 2000 ng cutoff limit for a certain (off-topic) banned substance that is not up for further discussion.

ALC = They will be testing for this (off-topic) substance as well.