How do I resolve a CO-139 denial?

Pull the original claim and review the denial reason and any RARC codes Research the payer's policy for CARC 139 to understand the basis for denial See full resolution steps at tryarceum.com.

Can I appeal a CO-139 denial?

CO-139 denials are generally not appealable. This is a contractual obligation adjustment based on the employer-employee relationship and pre-negotiated funding agreements, which cannot be appealed.

CARC Code

139

🔴 Hard Denial

Employee Subscriber Contracted Funding Agreement

The claim is being adjusted because the patient receiving care is an employee of the healthcare provider or facility that delivered the services. Special contracted funding arrangements apply when providers treat their own employees.

contractual

Resolution: 35%Hard difficulty21-45 days avg

How to resolve this denial

Which payer denied this claim?

Review self-referral rules under plan; explore exceptions or alternative arrangements

1
Pull the original claim and review the denial reason and any RARC codes
2
Research the payer's policy for CARC 139 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-139 — stats, related codes, appeal template

35%

Recovery Rate

21-45 days

Avg. Resolution

Hard

Difficulty

Rare

Frequency

Payer-Specific Notes

How major payers handle CARC 139 by specialty.

Blue Cross Blue Shield

BCBS requires appeal submission within 180 days for most plans.

Appeal Letter Template

Generic appeal template for CARC 139 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 139 indicating: "Contracted funding agreement — Subscriber is employed by the provider of service." 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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