CO-10
Diagnosis inconsistent with the patient's gender
What This Code Means
The diagnosis code billed doesn’t align with the patient’s gender on file.
Common Causes
- Gender-specific diagnosis code used against mismatched demographic data
- Data entry error
How to Resolve or Appeal
- Confirm patient demographics are accurate
- Correct and resubmit if it was a data entry error
Educational reference only — not medical or legal advice. Always confirm code usage and appeal rights with the specific payer.