ICD-10-CM > S00-T88 > T80-T88 > T84 > T84.1 > T84.19 > T84.191 T84.191 Other mechanical complication of internal fixation device of left humerus Non-Billable/Non-Specific Codes T84.191A..., initial encounterT84.191D..., subsequent encounterT84.191S..., sequela