CARC Code
83
Total visits.
How to resolve this denial
Submit primary payer EOB with the claim and resubmit
- 1
Verify whether the patient has coverage through another insurance plan
- 2
Identify the correct payer order (primary, secondary, tertiary)
- 3
Submit or resubmit the claim to the appropriate payer
- 4
Include the primary payer's EOB when billing secondary insurance
- 5
Document coordination of benefits information in the patient account
▶✓ 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-83 — stats, related codes, appeal template
82%
Recovery Rate
7-14 days
Avg. Resolution
Medium
Difficulty
Occasional
Frequency
Payer-Specific Notes
How major payers handle CARC 83 by specialty.
UnitedHealthcare
Review UHC's online claim status tool for additional detail on this adjustment.
Appeal Letter Template
Generic appeal template for CARC 83 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 83 indicating: "No Coordination of Benefits/Explanation of Benefits received from the primary pa." 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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