CPT Code 27447: Complete 2026 Total Knee Arthroplasty Billing Guide

CPT code 27447 reports primary total knee arthroplasty, the replacement of the medial and lateral compartments of the knee, with or without patella resurfacing. It shouldn’t be used for a unicompartmental replacement or for revision of an existing knee prosthesis. Correct payment depends on documentation, diagnosis linkage, site of service, payer rules, and accurate modifier […]