CPT code 27591 denotes a transfemoral (above-knee) amputation with immediate prosthesis fitting. This code captures definitive surgical removal of the leg at the femur with wound closure and immediate prosthetic placement intended to accelerate early mobilization and functional recovery. Nationally, accurate coding for high-acuity surgical procedures like 27591 is essential for appropriate episode classification, resource allocation, and tracking of surgical quality and rehabilitation outcomes.

Key payers commonly involved in coverage and payment discussions for this service include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find concise information about clinical context, expected site-of-service patterns, and typical service line classification. The report outlines benchmarks used by major payers, recent policy updates affecting perioperative and prosthetic coverage, and clinical considerations tied to early prosthetic fitting. Practical elements include coding scope, expected care settings, and implications for inpatient surgical and acute rehabilitation billing.

This summary is written for a national audience and is intended to orient clinicians, coding professionals, and payers to the clinical purpose and billing context of CPT code 27591 without state-specific detail. Data not provided in the input, such as specific payer fee schedules, ICD-10 pairings, and taxonomies, are omitted.