Posterior dislocation of left acromioclavicular joint, subs

This code signifies a posterior displacement of the acromioclavicular (AC) joint in the left shoulder, occurring after the initial treatment of the injury. This type of dislocation involves the clavicle moving behind the acromion, often resulting in significant shoulder instability and pain.

This code is appropriate for follow-up visits, rehabilitation sessions, or subsequent evaluations for a patient who previously sustained and received initial care for a posterior dislocation of their left AC joint. It indicates that the patient is in the healing phase or receiving ongoing management for this specific injury.

• Ensure documentation clearly specifies "posterior" dislocation and "left" side.
• Verify that the encounter is not the initial treatment for the injury; otherwise, an initial encounter code should be used.
• Look for documentation of ongoing care, such as physical therapy, follow-up imaging, or medication management for the healing injury.