corpectomy corpectomy a corpectomy or vertebrectomy is a surgical procedure that involves removing all or part of the vertebral body (latin: corpus vertebrae, hence the name corpectomy), usually as a way to decompress the spinal cord and nerves. corpectomy is often performed in association with some form of discectomy. corpectomyother namesvertebrectomyicd-9-cm80.99 when the vertebral body has been removed, the surgeon performs a vertebral fusion. because a space in the column remains from the surgery, it must be filled using a block of bone taken from the pelvis or one of the leg bones or with a manufactured component such as a cage. this bone graft holds the remaining vertebrae apart. as it heals, the vertebrae grow together and fuse.