ICD-10-CM > S00-T88 > S40-S49 > S43 > S43.2 > S43.21 S43.21 Anterior subluxation and dislocation of sternoclavicular joint Non-Billable/Non-Specific Codes S43.211Anterior subluxation of right sternoclavicular jointS43.211A..., initial encounterS43.211D..., subsequent encounterS43.211S..., sequelaS43.212Anterior subluxation of left sternoclavicular jointS43.212A..., initial encounterS43.212D..., subsequent encounterS43.212S..., sequelaS43.213Anterior subluxation of unspecified sternoclavicular jointS43.213A..., initial encounterS43.213D..., subsequent encounterS43.213S..., sequelaS43.214Anterior dislocation of right sternoclavicular jointS43.214A..., initial encounterS43.214D..., subsequent encounterS43.214S..., sequelaS43.215Anterior dislocation of left sternoclavicular jointS43.215A..., initial encounterS43.215D..., subsequent encounterS43.215S..., sequelaS43.216Anterior dislocation of unspecified sternoclavicular jointS43.216A..., initial encounterS43.216D..., subsequent encounterS43.216S..., sequela