Hysterectomy, complex laparoscopic, by any approach, that concurrently requires either extensive retroperitoneal dissection or complex side wall dissection, or both, with any of the following procedures (if performed):(a) endometrial sampling; (b) unilateral or bilateral salpingectomy, oophorectomy or salpingo-oophorectomy;(c) excision of ovarian cyst; (d) any other associated laparoscopy; not being a service associated with a service to which item 35595 or 35641 applies (H) (Anaes.) (Assist.)