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CO-31 - Denial Journal
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CARC

CO-31

CARC CO — Contractual Obligation Eligibility
Quick Facts
Code
CO-31
Type
CARC
Category
Eligibility
Status
Active

Patient cannot be identified as our insured

What Does This Code Mean?

The payer’s records don’t show this patient as a covered member under the plan/ID submitted.

Common Causes

  • Wrong member ID or subscriber information submitted
  • Patient's coverage was never active with this payer

Recommended Next Steps

  1. Verify the member ID and subscriber details directly with the patient or their ID card
  2. Confirm eligibility for the date of service before resubmitting

More Denial Codes to Check

CARC CO-180 CARC CO-33 CARC CO-30 CARC PR-238 CARC CO-D23 CARC CO-177 CARC CO-140 CARC CO-239 CARC CO-211 CARC CO-227 RARC N30 CARC CO-52 CARC CO-32

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

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