Do you have a link for this? I would definitely do this if I could but can't find anything on the John Hopkins site about it.

You'll have to call the Dept of Neurology to get details
The Head of the Dept is Dr. John Griffin (my neuro)
& his administrative nurse is Denise @ 410-955-2227
or fax a request to Denise @ 410-502-5459
they probably will refer you to the lab dept (or another dept ?)
and specifically to the person who handles the kit.

This procedure has to be done in a
doctors office or hospital, so they may ask
for a referral from your neurologist.
I think it has to be pre-paid,
so insurance has to be in on it too.
But a phone call will clarify whether it is or is not
feasible for you & your doc.

Many thanks. I will look into this next week. I am in the UK so not sure if there will be issues shipping the sample... obviously I'd get express super overnight whatever for delivery, but I'll have to see if this would be OK. I guess shipping from the UK with DHL or similar wouldn't take a great deal longer than shipping from some faraway US state.

My UK insurance won't cover this so I'll look to just paid for it myself upfront. Actually, some of you may know better than me - will they do this for me as a UK citizen? I assumed the US health system generally worked that if you're able to pay for it, they'll help you, but never actually had any care outside of the UK. I am in the USA five or six times a year anyway so if I wasn't able to get it done here and mail it, I could do it there.