Shortly after his splenectomy, Zezel began complaining of serious headaches. Roughly 12 hours later, he once again underwent surgery, during which time surgeons had found hemorrhaging in his brain. He slowly lapsed into a coma, and was placed on life-support once his organs began to fail. Because Zezel wanted to donate his organs, his family made the decision to remove him from life support that the organs might be preserved. Zezel died on May 26, 2009, with the service taking place at the St. Sava Serbian Orthodox Church in Mississauga. Zezel never married and had no children.