CARC Code

213

🔵 Informational

Physician Self-Referral Violation

The claim was denied because the referring physician may have a financial relationship with the facility or service provider, which violates self-referral laws (such as the Stark Law). This means a doctor referred a patient to a service where the doctor has a financial interest, which is prohibited.

authorization
Resolution: 99%Easy difficulty1-3 days avg

How to resolve this denial

Accept recoupment — payer recovering prior overpayment; verify amount against demand letter

  1. 1

    Review the remittance advice to confirm the adjustment amount is accurate

  2. 2

    Verify the contractual write-off against your fee schedule

  3. 3

    Post the adjustment to the patient account

  4. 4

    Do not balance bill the patient for this contractual reduction

  5. 5

    Document the adjustment in your billing system

Resolve this denial →
✓ Pre-action checklist — verify before contacting the payer
  1. Review the full remittance advice (ERA/EOB) for additional RARC codes that explain the denial.

  2. Verify the claim was submitted with correct patient eligibility and benefit information.

  3. Check if this denial applies to a specific line item or the entire claim.

More about CO-213 — stats, related codes, appeal template

99%

Recovery Rate

1-3 days

Avg. Resolution

Easy

Difficulty

Occasional

Frequency

Payer-Specific Notes

How major payers handle CARC 213 by specialty.

UnitedHealthcare

Review UHC's online claim status tool for additional detail on this adjustment.

Appeal Letter Template

Generic appeal template for CARC 213 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 213 indicating: "Claim payment recoupment.." 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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