ICD-10-CM > S00-T88 > T80-T88 > T84 > T84.1 > T84.12 > T84.123 T84.123 Displacement of internal fixation device of bone of left forearm Non-Billable/Non-Specific Codes T84.123A..., initial encounterT84.123D..., subsequent encounterT84.123S..., sequela