How does a supplier handle an electronically transmitted Certificate of Medical Necessity (CMN) rejection?
The Certificate of Medical Necessity (CMN) reject report appears at the end of the Electronic Receipt Listing (ELR) and lists the claims with rejected CMNs. Rejected CMNs have a four-digit reject code, 3030, 3031, 3032, 3047, 3048 and 3052. Many CMNs are rejected simply because they are not completed properly. Here are some tips to help ensure your CMNs are completed correctly. In addition, these guidelines may help prevent ANSI Code B17 claim denials. • Tip #1: CMN rejections occur when another CMN is on file for the same procedure code. • Tip #2: Review CMNs before transmitting with any claim. CMNs should only be transmitted when needed and not with every claim. Medicare is unable to release specific information to a supplier until they file a claim. Once a claim has been received for the item on the CMN reject report, the supplier may contact the Public Relations Department in Boise at 1.866.224.3094 (option 3). If the claim has been denied with ANSI Code M3 “Equipment is the same o
