DME Billing Modifiers Explained: NU, RR, UE, KX, EY

Introduction Modifiers play a critical role in DME billing, yet they remain one of the most misunderstood and error-prone components of Medicare claims. While HCPCS codes identify the equipment being billed, modifiers explain how, why, and under what conditions that equipment is provided. For providers and suppliers, incorrect modifier usage is a leading cause of […]