I wouldn't go as far to wonder if he has other diagnosis as well. We used to do that and go bonkers just trying to diagnosis our son as parents lol.

As long as your son's doctor treats any "symptoms", you'll be fine. Just remember that alot of diagnosis symptoms overlap and are similar. For us, we don't want any more labels for our boy and as long as the meds controls violence, impulsivity to a certain extent, we're happy with that for now.

How did the doctor appt go?