CARC Code
127
Coinsurance -- Major Medical.
How to resolve this denial
Bill patient for major medical coinsurance amount
- 1
Verify patient's cost-share obligation on the Explanation of Benefits
- 2
Cross-reference with the patient's Summary of Benefits and Coverage
- 3
Calculate the correct patient responsibility amount
- 4
Issue a patient statement within 30 days of claim adjudication
- 5
Document the patient balance in the account notes
▶✓ 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 PR-127 — stats, related codes, appeal template
95%
Recovery Rate
3-7 days
Avg. Resolution
Easy
Difficulty
Rare
Frequency
Payer-Specific Notes
How major payers handle CARC 127 by specialty.
UnitedHealthcare
Confirm individual vs. family accumulation before billing patient.
Appeal Letter Template
Generic appeal template for CARC 127 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 127 indicating: "Coinsurance — Major Medical.." 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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