Denial code · Contractual Obligation (CO)
CO-236 denial code
These two service codes do not go together on the same day under the payer's edit rules.
What the code means
Official meaning: This procedure or procedure/modifier combination is not compatible with another procedure or procedure/modifier combination provided on the same day according to the National Correct Coding Initiative or workers compensation state regulations/fee schedule requirements.
In plain words: These two service codes do not go together on the same day under the payer's edit rules.
The usual fix
Check the payer's edit list for that pair, fix the codes or the extra codes, and send the claim again corrected.
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.