M76
Missing/incomplete/invalid diagnosis or condition
What This Code Means
The diagnosis code field is missing, incomplete, or invalid.
Common Causes
- ICD-10 code truncated or entered with wrong number of digits
- Diagnosis code not valid for the date of service (annual ICD-10 updates)
How to Resolve or Appeal
- Verify diagnosis code validity for the specific date of service
- Correct and resubmit as a corrected claim
Educational reference only — not medical or legal advice. Always confirm code usage and appeal rights with the specific payer.