This CPB is revised to state that medically necessary core surgical procedures for female to male persons include: mastectomy, hysterectomy, vaginectomy, salpingo-oophorectomy, metoidioplasty, phalloplasty, urethroplasty, scrotoplasty and placement of testicular prostheses, and erectile prostheses. This CPB is revised to state that medically necessary core surgical procedures for male to female persons include: penectomy, orchidectomy, vaginoplasty, clitoroplasty, and labiaplasty. This CPB is revised to state that the following procedures are considered cosmetic: breast augmentation, body contouring, hair removal, voice modification surgery, and skin resurfacing. The title of this CPB has been changed to "Gender Reassignment Surgery."