ICD-10-CM > S00-T88 > S40-S49 > S43 > S43.2 > S43.22 S43.22 Posterior subluxation and dislocation of sternoclavicular joint Non-Billable/Non-Specific Codes S43.221Posterior subluxation of right sternoclavicular jointS43.221A..., initial encounterS43.221D..., subsequent encounterS43.221S..., sequelaS43.222Posterior subluxation of left sternoclavicular jointS43.222A..., initial encounterS43.222D..., subsequent encounterS43.222S..., sequelaS43.223Posterior subluxation of unspecified sternoclavicular jointS43.223A..., initial encounterS43.223D..., subsequent encounterS43.223S..., sequelaS43.224Posterior dislocation of right sternoclavicular jointS43.224A..., initial encounterS43.224D..., subsequent encounterS43.224S..., sequelaS43.225Posterior dislocation of left sternoclavicular jointS43.225A..., initial encounterS43.225D..., subsequent encounterS43.225S..., sequelaS43.226Posterior dislocation of unspecified sternoclavicular jointS43.226A..., initial encounterS43.226D..., subsequent encounterS43.226S..., sequela