k1zuna on "AMT adjustment - medical expense (what's the deal for new 2013 rules?)"

I'm updating my "2013" becker textbook that was shipped to me last November and realized the medical expense is 10% now for 2013. In my textbook, one of the AMT adjustments is "medical expense must exceed 10% AGI rather than 7.5% AGI. Is this eliminated in 2013? What's going on