--can be ordered out of standard labs such as Quest, etc.--although a number of them are unusual enough that many non-specialists may not be aware of them.

There are a few obscure tests, such as the full Epstein-Barr Virus panels, that might have to be sent to specialty labs after a blood draw, but there shouldn't be any problem with a regular lab contracting to do that. (In fact, one of those special facilities is actually named "Specialty Labs" and it's in Van Nuys, California.)