Face-to-Face Encounter and WOPD Update Effective April 13, 2026, for Oxygen and Oxygen Equipment

CMS has updated the Master List and the Required Face-to-Face Encounter and Required Written Order Prior to Delivery (WOPD) List.

Effective April 13, 2026, Medicare selected additional HCPCS codes that require a face-to-face encounter and Written Order Prior to Delivery (WOPD):

  • Eight Oxygen and Oxygen Equipment: E0424, E0431, E0433, E0434, E0439, E1390, E1391, E1392

For more information review CMS website for Durable Medical Equipment, Prosthetics, Orthotics and Supplies (DMEPOS) Order and Face-to-Face Encounter Requirements.

Last Updated Apr 28 , 2026