In England: It's tricky. You see your gp and say, clearly and persistently, that you want an assessment to see if you have ASD.

Mental health teams are underfunded and over worked, and so if it's not causing you difficulties you might need to push a bit harder. So, if it is causing you difficulty highlight those.

If you have the money you can find a private doctor. I'm not sure of the process to find reliable doctors!

Here's what a UK charity says about diagnosis for children and also for adults: http://www.autism.org.uk/about-autism/all-about-diagnosis.as...

Anyone know about getting tested in the US?

It varies a lot by city and state what the available resources are. google and ask around for local autism experts. There are often autism specialist centers of various kinds, for example at universities, and there are also psychologists and psychiatrists who specialize. It works a bit differently in every city.

I've heard that its recommended to try and be transferred to a neurologist that specializes in ASD cases. Psychologists may misinterpret behaviour and perception.