CPT code 23545 denotes the closed treatment of an acromioclavicular (AC) joint dislocation performed by manipulation or adjustment without open surgery. Nationally, this code captures a common nonoperative intervention for shoulder girdle injuries seen in emergency, urgent care, and outpatient procedural settings. Proper coding for closed reduction of an AC joint matters for clinical documentation, encounter classification, and consistent claims processing across payers.

Key payers in typical analyses include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a clinical context for when the code applies, expected sites of service, and common billing modifiers and claim considerations summarized elsewhere in the publication. The content outlines benchmarks and payer coverage patterns where available, highlights documentation elements that support use of the code, and reviews recent policy updates that affect coding and reimbursement practices.

This summary equips clinicians, coders, and billing professionals with a concise reference to the clinical scenario CPT code 23545 represents, the payer landscape commonly involved, and the types of operational and policy topics addressed in the full publication.