How do I resolve a CO-175 denial?

Ensure the prescription is on file. This can be reviewed in the Noridian Medicare Portal under Same or Similar. A Redeterminations/Appeals request may be submitted with all relevant supporting documentation using the Noridian Medicare Portal. See full Medicare contractor resolution steps at tryarceum.com.

Can I appeal a CO-175 denial?

CO-175 denials are generally not appealable. This is a correctable data submission error rather than a coverage determination, so the claim should be corrected and resubmitted instead of appealed.

CARC Code

175

🔴 Hard Denial

Incomplete Prescription Information

The claim was denied because the prescription submitted with the claim is missing required information. The payer needs a complete prescription to process the claim.

missing info

Resolution: 35%Hard difficulty21-45 days avg

How to resolve this denial

Which payer denied this claim?

▶✓ 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-175 — 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 175 by specialty.

Blue Cross Blue Shield

BCBS requires appeal submission within 180 days for most plans.

Common 835 Combinations

CARC 175 most often appears with these Group Code + RARC combinations on 835 remittances.

COCO-175The payer has denied or adjusted the claim because the prescription submitted COCO-175+N668Prescription is not on file or is incomplete or

Look up any combination →

Appeal Letter Template

Generic appeal template for CARC 175 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 175 indicating: "Claim denied based on contractual requirements for this claim type.." 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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