title: What is medical necessity?
mesh_terms: D003363:Cost Control / Q000639:trends; D005102:Health Expenditures / Q000639:trends*; D006296:Health Services / Q000191:economics*; D006300:Health Services Misuse / Q000191:economics*; D006801:Humans; D006278:Medicare / Q000191:economics*; D014481:United States