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CO-53 - Denial Journal
CARC

CO-53

What This Code Means

Services by an immediate relative or a member of the same household are not covered.

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

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

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