Denial code · Contractual Obligation (CO)
CO-109 denial code
This payer does not cover this claim. Another payer may.
What the code means
Official meaning: Claim/service not covered by this payer/contractor. You must send the claim/service to the correct payer/contractor.
In plain words: This payer does not cover this claim. Another payer may.
The usual fix
Find the right payer for this claim, and send it there.
This is general information, not advice on a specific claim.
Learn on the job
Learn on the job with real denied claims.
Working denied claims is the medical claims desk's daily work. Read a code, find what is missing, fix the claim, or write the appeal.