I specifically got an office that had an internal bathroom. Have a designated room for the CLIA lab and other miscellaneous storage.
I pick up the urine containers myself with gloved hands, and run the tests, and take over everything except the result data entry into the EMR. My assistant is not an MA/LPN etc.
I require UDS on all new visits. All visits for suboxone. All visits for stimulant prescribing. Reserve the right for random UDS. I also do pregnancy testing on first visits for child bearing age women, or if they ever requests it again in the future.