I'm guessing you're asking this question instead of just trying Adderall and answering this question yourself because you know it takes a long time to get appointments for diagnosis. FYI there are lots of online clinics in the US that will give you a diagnosis and send a prescription for $$$, not covered by insurance. After doing that, you can get refills from your normal Dr/PMHNP and local pharmacy for free/cheap. There's no point speculating about potential results when you can test it empirically.
Kind of that. I'm not USA based. In my country you can do it through gov. insurance which is a lot of bureaucracy that I can't handle. Will go through the private route (fast) and pay out of nose. This to help my anxious mind and learn through the experiences of others.