ICD-10-CM > S00-T88 > T80-T88 > T84 > T84.1 > T84.11 > T84.111 T84.111 Breakdown (mechanical) of internal fixation device of left humerus Non-Billable/Non-Specific Codes T84.111A..., initial encounterT84.111D..., subsequent encounterT84.111S..., sequela