Member Posts > New Medicare Modifiers XE, XP, XS, XU: Examples of When to Bill Each One

Effective January 1, 2022, the Centers for Medicare & Medicaid Services (CMS) introduced four new HCPCS modifiers for Medicare claims: XE, XP, XS, and XU.

These modifiers provide more specificity around the circumstances of service provided. Using these new modifiers correctly is essential for ensuring accurate reimbursement.

This article provides an overview of modifiers XE, XP, XS, and XU, along with examples to illustrate when each should be used.