ICD-10-CM > S00-T88 > S40-S49 > S43 > S43.5 S43.5 Sprain of acromioclavicular joint Non-Billable/Non-Specific Applicable To Sprain of acromioclavicular ligament Codes S43.50Sprain of unspecified acromioclavicular jointS43.50XA..., initial encounterS43.50XD..., subsequent encounterS43.50XS..., sequelaS43.51Sprain of right acromioclavicular jointS43.51XA..., initial encounterS43.51XD..., subsequent encounterS43.51XS..., sequelaS43.52Sprain of left acromioclavicular jointS43.52XA..., initial encounterS43.52XD..., subsequent encounterS43.52XS..., sequela