CPT code 26531 covers surgical excision of part or all of one or more metacarpal bones at the metacarpophalangeal (MCP) joints with placement of a silicone spacer. This reconstructive hand procedure addresses deformity, persistent inflammation, or functional impairment and has implications for orthopedic surgeons, hand specialists, surgical facilities, and payers nationwide given its role in restoring hand function and reducing chronic joint morbidity. Key payers in the national analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare.

Readers will find a concise clinical and billing overview, typical sites of service, and the clinical intent behind CPT code 26531. The publication outlines common billing and service-line considerations, summarizes typical payer coverage patterns and benchmarks where available, and highlights the clinical context in which this procedure is used (reconstructive MCP joint surgery to correct deformity and improve function). Data not available in the input for specific ICD-10 pairings, associated taxonomies, and related codes is noted where applicable. This resource is intended to inform billing specialists, revenue cycle teams, and clinical leaders about the code’s clinical purpose and operational considerations in a national context.