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CO-33 - Denial Journal
CARC CO — Contractual Obligation

CO-33

Insured has no dependent coverage

What This Code Means

The subscriber’s plan doesn’t include dependent coverage at all.

Common Causes

  • Patient assumed dependent coverage existed when the plan doesn't offer it
  • Wrong plan/policy billed

How to Resolve or Appeal

  1. Confirm the plan's coverage tiers with the payer
  2. Bill the patient directly if dependent coverage genuinely doesn't exist

More Denial Codes to Check

RARC M138 RARC N30 Patient ineligible for this service CARC PR-238 CARC CO-27 Expenses incurred after coverage terminated CARC CO-28 CARC CO-178 CARC CO-141 CARC CO-140 RARC MA60

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

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