I took biostats. It was part of the statistics requirement and counted towards my sGPA because it was MATH credit in the BMCP. Thats what I listed it as in my AMCAS and AACOMAS and my transcript was verified.
It is also true that more and more schools are now requiring some sort of statistics, especially since all medical schools require you to look and analyze various medical studies/research, and many teach classes in epidemiology/evidence based medicine. I applied to TCOM and they require it, which is why students enrolled in the Med Sci program take it during the summer