Sprain of unspecified acromioclavicular joint, subs encntr

This code signifies a sprain of the acromioclavicular (AC) joint where the specific side (left or right) is not documented, and the patient is receiving follow-up care after the initial treatment of the injury. It indicates a ligamentous injury connecting the acromion and clavicle, without further specification of the grade or severity.

Apply this code for subsequent encounters when a patient presents for ongoing management, physical therapy, or follow-up appointments related to an AC joint sprain of an unspecified side. This includes visits for monitoring healing, assessing progress, or addressing persistent symptoms after the initial injury has been diagnosed and treated.

• Ensure documentation clearly indicates a subsequent encounter for the injury, not the initial treatment.
• Only use this code when the laterality (left or right) of the AC joint sprain is not specified in the medical record.
• If the specific AC joint (e.g., left or right) is documented, choose a more specific code from the S43.51- or S43.52- series.