ICD-10-CM > S00-T88 > T80-T88 > T84 > T84.2 > T84.21 > T84.210 T84.210 Breakdown (mechanical) of internal fixation device of bones of hand and fingers Non-Billable/Non-Specific Codes T84.210A..., initial encounterT84.210D..., subsequent encounterT84.210S..., sequela