In relation to the US, do you mean this question of the ESTA?
Quote:
A) Do you have a communicable disease; physical or mental disorder; or are you a drug abuser or addict?
Because even with a diagnosis of AS you can answer "no" to this according to
https://esta.cbp.dhs.gov/esta/WebHelp/ESTA_Screen-Level_Online_Help_1.htm#APA2Quote:
Physical or Mental Disorders
With regard to physical or mental disorders, answer ”Yes” to this question if:
(a) You currently have a physical or mental disorder and a history of behavior associated with the disorder that may pose or has posed a threat to your property, safety or welfare or that of others; or
(b) You had a physical or mental disorder and a history of behavior associated with the disorder that has posed a threat to your property, safety or welfare or that of others and the behavior is likely to recur or lead to other harmful behavior. Answer ”No” if:
(a) You currently have no physical or mental disorders; or
(b) You have or had a physical or mental disorder without associated behavior that may pose or has posed a threat to your property, safety or welfare of that of others; or
(c) You currently have a physical or mental disorder with associated behavior, but that behavior has not posed, does not currently pose nor will pose a threat to your property, safety or welfare or that of others; or
(d) You had a physical or mental disorder with associated behavior that posed a threat to your property, safety or welfare or that of others, but that behavior is unlikely to recur.
_________________
Autism + ADHD
______
The trouble with having an open mind, of course, is that people will insist on coming along and trying to put things in it. Terry Pratchett