Sometimes in medical billing it is difficult to decide when to use current procedural terminology codes 58661 and 49322-59. These codes, like many others seem similar, but in actuality, are quite different. When performing medical billing it is necessary to know when to use current procedural terminology code 58661 versus 49322-59. The medical billing code 58661 (laparoscopy, surgical; with removal of adnexal structures) is used when any part of the ovaries or Fallopian tubes are removed. For example, If a surgeon was doing a cystectomy of an ovarian cyst and ended up removing some of the ovary as well, they physician could do medical billing with 58661. The current procedural …