"The vast majority of health insurance plans explicitly ban the coverage of any transition-related care, grouping those procedures with elective cosmetic surgery. This has slowly begun to change as mainstream medical organizations, including the American Medical Association, have announced new positions in recent years stating that sex reassignment surgery is not elective for some transgender people. (The American Medical Association said in 2008 that "gender dysphoria" is a "serious medical condition" that can result in "suicidality and death" without proper treatment.)"

http://news.yahoo.com/a-third-of-fortune-500-companies-now-cover-transgender-health-care-142740785.html