Gave a call and the guy on the phone answered all the questions I had about the procedures. Ordered a small set of swabs so I can get the both of them tested, going with the two panels for Arena/Nido/Orphinian (I haven't heard of that last one before but it's part of the package deal) and crypto.
You sure don't want your snakes to have ophidian (ie. "snake version") paramyxovirus.