How do I resolve a CO-239 denial?

Pull the original claim and review the denial reason and any RARC codes Research the payer's policy for CARC 239 to understand the basis for denial See full resolution steps at tryarceum.com.

Can I appeal a CO-239 denial?

CO-239 denials are generally not appealable. This is a billing correction request, not a medical necessity or coverage denial, so the appropriate response is rebilling rather than appealing.

CARC Code

239

🔴 Hard Denial

Claim Spans Eligible and Ineligible Coverage

The services billed occurred during a time period when the patient's insurance coverage started or ended, so some dates have coverage and others don't. The payer needs you to split this into separate claims.

eligibility

Resolution: 35%Hard difficulty21-45 days avg

How to resolve this denial

Which payer denied this claim?

Review fee arrangement; verify correct fee schedule applied; appeal if incorrect

1
Pull the original claim and review the denial reason and any RARC codes
2
Research the payer's policy for CARC 239 to understand the basis for denial
3
Gather supporting documentation addressing the denial reason
4
Submit a formal appeal with the documentation within the plan's appeal window
5
Follow up on the appeal within 30 days and document all communication

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▶✓ Pre-action checklist — verify before contacting the payer

Review the full remittance advice (ERA/EOB) for additional RARC codes that explain the denial.
Verify the claim was submitted with correct patient eligibility and benefit information.
Check if this denial applies to a specific line item or the entire claim.

▶More about CO-239 — stats, related codes, appeal template

35%

Recovery Rate

21-45 days

Avg. Resolution

Hard

Difficulty

Occasional

Frequency

Payer-Specific Notes

How major payers handle CARC 239 by specialty.

Blue Cross Blue Shield

BCBS requires appeal submission within 180 days for most plans.

Appeal Letter Template

Generic appeal template for CARC 239 denials.

We are submitting a formal appeal for claim [CLAIM_NUMBER] for patient [PATIENT_NAME], date of service [DOS]. This claim was denied/adjusted with CARC 239 indicating: "Claim/Service is not payable per the contracted/legislated fee arrangement.." We have reviewed the claim and are providing the attached documentation to support reconsideration. [SUPPORTING_DOCUMENTATION]. Please reconsider payment per the terms of our contract.

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