237Denial Code (CARC)Active
Effective 06/05/2011

CO 237 Denial Code - Fix Legislated Penalties

Code 237 indicates a legislated or regulatory penalty has been applied to the claim. This means your reimbursement was reduced due to compliance with a government rule or regulation, not due to an error in the claim itself. An accompanying remark code will provide more detail about the specific regulation or penalty involved.

Who Pays: Group Code Liability

For code 237, the group code is typically CO, meaning the penalty amount is a contractual write-off and cannot be billed to the patient. Always verify with the payer's policy to confirm this liability assignment.

Why Claims Get Code 237

  • The claim violates a specific government regulation, triggering a penalty.
  • A service was billed that is subject to a regulatory reduction.
  • The provider failed to meet a mandatory reporting requirement, leading to a penalty.
  • Billing for a service that has a legislated cap on reimbursement rates.
  • Incorrect application of modifiers or codes that affect regulatory compliance.

How to Fix & Resubmit

  1. Review the accompanying remark code to understand the specific penalty applied.
  2. Check the payer's policy and any relevant government regulations to confirm the penalty's applicability.
  3. If the penalty is due to missing documentation or incorrect coding, gather the necessary information or correct the codes.
  4. Contact the payer if the penalty appears to be incorrectly applied based on your findings.
  5. Submit a corrected claim if the issue was due to a coding or documentation error.

Corrected Claim or Appeal?

Submit a corrected claim if the denial was due to a coding or documentation error. If the penalty is legitimately applied based on regulations, an appeal is generally not applicable.

Preventing Future 237 Denials

  • Stay updated with changes in government regulations affecting billing and coding.
  • Ensure all necessary documentation is submitted with the claim to avoid compliance penalties.
  • Regularly audit coding practices to ensure accuracy and compliance with regulatory requirements.
  • Implement staff training on current regulations to prevent future penalties.