T84.31 - Breakdown (mechanical) of other bone devices, implants and grafts T84.3 - Mechanical complication of other bone devices, implants and grafts T84.31 - Breakdown (mechanical) of other bone devices, implants and grafts T84.310 - Breakdown (mechanical) of electronic bone stimulator T84.318 - Breakdown (mechanical) of other bone devices, implants and grafts