A treatment plan that seeks to prevent disease, promote health, and prolong and enhance the quality of life; or therapy that is performed to maintain or prevent deteriorat​ion of a chronic condition is deemed not medically necessary.
--Medicare Guidelines​, Section 2251.3

I'm at school, and we have an hour after our last lecture, not because we're supposed to have an hour but because Brons didn't want to lecture embryology to a group of students completely distracted by their upcoming microbiology exam.
( more )