S43.15 - Posterior dislocation of acromioclavicular joint S43.1 - Subluxation and dislocation of acromioclavicular joint S43.15 - Posterior dislocation of acromioclavicular joint S43.151 - Posterior dislocation of right acromioclavicular joint S43.152 - Posterior dislocation of left acromioclavicular joint S43.159 - Posterior dislocation of unspecified acromioclavicular joint