CPT code 20827 denotes reattachment (replantation) of a completely amputated thumb — a complex microsurgical procedure with significant functional and rehabilitative implications. Nationally, this code represents high-acuity surgical care that often involves multidisciplinary teams, extended operative time, and intensive post-operative follow-up. It is clinically significant because successful thumb replantation can restore key hand function and reduce long-term disability and societal costs.

Key payers covered in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a national perspective on coverage and billing considerations for this major reconstructive procedure, plus clinical context regarding the nature of thumb replantation. The publication provides benchmarks for service-setting expectations, common coding considerations, and summaries of relevant policy themes affecting authorization, facility billing, and post-operative care coverage.

The report is intended for revenue cycle leaders, surgical departments, and policy analysts seeking a concise reference to CPT code 20827, its clinical role, and payer-related factors that influence billing and access to care. Data not available in the input are noted where applicable.