I think I mis-spoke when I said not controlled. You're correct in that its controlled as a prescription. What I meant was that it doesn't fall under the federal scheduling guidlines like AAS do. The case you cited Steveoph is California State Law, not federal. In California HCG would fall under state guidelines. I combed through the DEA's controlled substance list and could not find HCG under any catagory so I assume it falls under the violations for mailing a prescription substance which is still a no no.
I don't understand why the case refers to insulin as requiring a RX because with the exception of Humalog, it doesn't unless you live in Alaska.
What I was wondering is how uptight are they about HCG. For example, Viagra is a prescription substance, but I can't see anyone getting worked up over it. It seems like they would seize it and send you a letter but I can't imagine them prosecuting it. I may be way off though. I don't know anything about mail order.