No, there is not really, not unless you captured the information at the point of care. That is what I'm advocating: you're going to build a national electronic prescribing system, and one of the requirements of it is that you indicate what the indication for treatment is. You can advise physicians at that point whether this is on- or off-label. I'm not sure they really know whether it is or it isn't.
It's there that I think you can capture it. Then you can actually do your conditional coverage.