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CO-B1 - Denial Journal
CARC

CO-B1

What This Code Means

Non-covered visits.

Common Causes

  • Service falls under a specific plan exclusion
  • Benefit maximum or occurrence limit already reached
  • Wrong plan or benefit category billed

How to Resolve or Appeal

  1. Confirm the specific exclusion or limit that applies with the payer
  2. Check for secondary coverage that may pick up the balance
  3. Bill the patient per financial policy if the exclusion is confirmed accurate

More Denial Codes to Check

RARC M90 CARC CO-139 Contracted funding agreement — subscriber employed by the provider of services CARC PR-275 RARC M117 CARC CO-51 CARC PR-3 Co-payment amount CARC CO-96 Non-covered charge(s)

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

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