ICD-10-CM > S00-T88 > T80-T88 > T84 > T84.2 > T84.21 > T84.218 T84.218 Breakdown (mechanical) of internal fixation device of other bones Non-Billable/Non-Specific Codes T84.218A..., initial encounterT84.218D..., subsequent encounterT84.218S..., sequela