The number of children covered through Medicaid, Florida Healthy Kids and other state health programs hit 2 million in March, according to totals released Monday by Florida KidCare. That was the first time the combined enrollment reached that level. As of the end of March, 1,721,220 children were enrolled in Medicaid. The Healthy Kids program, which offers subsidized insurance to children ages 5 to 18, had 230,976 enrollees. Two smaller programs, MediKids and the Children’s Medical Service Network, combined for 56,681.