Master List and Prior Authorization Updates: Key 2026 Medicare Changes for Coders

What Changed The recent updates to the Medicare Physician Fee Schedule (PFS), effective April 13, 2026, introduce significant modifications to the Master List of items potentially requiring a face-to-face encounter and written order prior to delivery. These changes also encompass prior authorization requirements, aiming to streamline the reimbursement process and reduce administrative burdens for providers and payers.

Why It Matters for Coding These updates directly impact claims submission and documentation processes, particularly concerning HCPCS codes. Coders must be vigilant in selecting the correct codes and ensuring comprehensive documentation to support claims. The changes necessitate a thorough understanding of the new requirements to avoid delays in reimbursement and ensure accurate billing practices.