The following words and terms, when used in this chapter, shall have the following meanings, unless the contents clearly indicate otherwise(1) Alternative medicine--methods of diagnosis, treatment, or interventions that are not generally considered as conventional treatment or medicine and may or may not be regulated by the FDA. These treatments may be offered for potential for therapeutic gain that are not unreasonably outweighed by the risk of such methods.(2) Complementary medicine--the use of a combination of conventional medicine and some form of alternative medicine.(3) Conventional medicine--methods of diagnosis, treatment, or interventions are generally considered routine treatments and medicine by the majority of licensed physicians.(4) Off-label usage--use of an FDA approved drug, treatment, or device in a manner that has not been approved, or proven safe and effective, by the FDA or to treat a disease or medical condition for which it is being offered. Off-label use may be alternative, complementary, or conventional medicine.