As far as the VA testing him, I wouldn't think that would happen except in certain circumstances. When you visit the recommending doctor it is confidential. The VA doesn't really need to be involved. Keep in mind, it is legal. And if it is giving your friend relief, then it is something to pursue.
Make an appointment, take any records you have. Take any medications you are taking, and that should be enough. My doctor at the clinic took the time to talk to me about my epilepsy and what strains would work best. When I asked my mainstream doctor about marijuana, he just gave me a far off stare and walked away. I am in the county health system, so I understand about drug testing. We did have a friend that was tested at the VA, but was put there for a drug addiction.
You'll find an abundance of info here. I hope you'll keep posting and give us updates when you can. Best wishes to you and your friend.
Peace and mmj
