CPT code 23420 represents a comprehensive surgical shoulder reconstruction for chronic rotator cuff tear or rupture performed with acromioplasty. This code captures an operative approach that addresses both tendon pathology and external impingement by restoring shoulder structures and removing part of the acromion. Nationally, shoulder reconstruction procedures are significant for orthopedic practice patterns, surgical utilization, and payer coverage determinations because they involve major operative care, facility resources, and post-operative rehabilitation.

Key payers covered in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise clinical context for when 23420 is reported, the typical surgical setting and service type, and an overview of common billing considerations tied to this category of shoulder surgery. The publication outlines benchmarks and policy-relevant details commonly reviewed by payers and providers, highlights coding relationships that affect reimbursement and claims processing, and summarizes clinical indications that underpin use of the code. Data not available in the input is indicated where applicable.