CO-65 Denial Code Explained

CO-65 is a medical billing denial code that indicates the claim was denied because the payer determined the service was already reimbursed through another payment or bundled reimbursement arrangement.

DENIAL CODE

3/7/20221 min read

CO-65 Denial Code Explained

CO-65 is a medical billing denial code that indicates the claim was denied because the payer determined the service was already reimbursed through another payment or bundled reimbursement arrangement.

What Does CO-65 Mean?

The CO-65 denial code means the insurance payer considers the billed service included within another reimbursed procedure, treatment, or payment structure.

This denial is often related to bundled billing policies or duplicate reimbursement concerns.

Common Reasons for CO-65

  • Bundled reimbursement policies

  • Duplicate payment concerns

  • Included services under primary treatment

  • Incorrect modifier usage

  • Overlapping procedures

  • Payer reimbursement limitations

How To Fix CO-65

Review payer reimbursement policies and verify whether the service qualifies for separate reimbursement. Providers may need to apply corrected modifiers or submit supporting documentation before resubmitting the claim.

Related Denial Codes

You may also encounter:

Quick Summary

CO-65 indicates the payer considers the billed service already reimbursed under another payment arrangement. Most denials are related to bundled billing or duplicate reimbursement issues.

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