CO-13
The date of death precedes the date of service
What This Code Means
Payer records show the patient’s date of death is before the billed date of service.
Common Causes
- Date of service entered incorrectly
- Payer's date-of-death record is outdated or in error
How to Resolve or Appeal
- Verify the date of service was entered correctly
- If the date of death on file is wrong, request the payer correct their records and reprocess
Educational reference only — not medical or legal advice. Always confirm code usage and appeal rights with the specific payer.