Getting “undiagnosed” with ADHD?

Pretty typical story, was going through a rough time in college while taking care of a sick family member and couldn’t focus. Rather than assume I was distracted by the mental load of both, I figured it had to be mental and was diagnosed as ADHD (I unwisely didn’t delve deep into my personal issues, as I was too embarrassed about them, and played them off).

I want to try to reach out to get it reclassified as anxiety, which is more in line with what my symptoms would point to with the context of the situation (not being able to pay attention in class due to wanting to get home to make sure my family member was safe). Already have an anxiety diagnosis from my PCP so it wouldn’t cause any extra issues.

While I think having the diagnosis voided by the psychiatrist would allow me to avoid it, my main concern is that the meds are Schedule II. Is there a way these records could come up somehow?