Missing CMN or DIF Denials

Are you receiving denials for Service/Equipment not prescribed by a physician, prescription is not current or an initial Certificate of Medical Necessity (CMN) or DME Information Form (DIF) was not submitted with the claim or is not on file with Noridian? Visit our Denial Code Resolution page on our website for common reasons for the denial, what to do next, and how to avoid these denials in the future.


Last Updated May 23 , 2022