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CO-177 Denial Code Meaning – Denial Journal
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CARC

CO-177

CARC Eligibility
Quick Facts
Code
CO-177
Type
CARC
Category
Eligibility
Status
Active

What Does This Code Mean?

Patient has not met the required eligibility requirements.

Common Causes

  • Patient's coverage wasn't active on the date of service
  • Wrong member ID or plan information submitted
  • Dependent/relationship status not up to date with the payer

Recommended Next Steps

  1. Re-verify eligibility for the exact date of service
  2. Confirm member ID and plan details directly with the patient or payer
  3. Bill any other active coverage found, or the patient per financial policy

More Denial Codes to Check

CARC PR-238 CARC CO-30 CARC CO-13 CARC CO-28 CARC CO-33 CARC CO-141 CARC CO-27 CARC CO-184 RARC MA90 CARC CO-180 RARC MA96 CARC CO-34 RARC MA86

Educational reference only — not medical or legal advice. Always confirm code usage and appeal rights with the specific payer.

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