ICD-10-CM > S00-T88 > S40-S49 > S43 > S43.1 > S43.12 S43.12 Dislocation of acromioclavicular joint, 100%-200% displacement Non-Billable/Non-Specific Codes S43.121Dislocation of right acromioclavicular joint, 100%-200% displacementS43.121A..., initial encounterS43.121D..., subsequent encounterS43.121S..., sequelaS43.122Dislocation of left acromioclavicular joint, 100%-200% displacementS43.122A..., initial encounterS43.122D..., subsequent encounterS43.122S..., sequelaS43.129Dislocation of unspecified acromioclavicular joint, 100%-200% displacementS43.129A..., initial encounterS43.129D..., subsequent encounterS43.129S..., sequela