I have a coding situation with Medicare. My provider billed a new patient visit 99204 with icd 9 401.1, 272.2 and 728.87. Medicare denied the claim with denial code
"M81:You are required to code to the highest level of specificity.".
This is the first time i have this denial. I checked the icd 9 codes and it back all as valid and billable codes. I don't know why this one is being denied as not coded to the highest level of specificity. Any ideas out there that might help shed the light?