ICD-10-CM > S00-T88 > T80-T88 > T84 > T84.3 > T84.31 T84.31 Breakdown (mechanical) of other bone devices, implants and grafts Non-Billable/Non-Specific Codes T84.310Breakdown (mechanical) of electronic bone stimulatorT84.310A..., initial encounterT84.310D..., subsequent encounterT84.310S..., sequelaT84.318Breakdown (mechanical) of other bone devices, implants and graftsT84.318A..., initial encounterT84.318D..., subsequent encounterT84.318S..., sequela