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CO-210 - Denial Journal
CARC

CO-210

What This Code Means

Payment adjusted because pre-certification/authorization not received in a timely fashion

Common Causes

  • Claim resubmitted before the original finished processing
  • Claim held internally past the payer's filing deadline

How to Resolve or Appeal

  1. Check the original claim's status before resubmitting
  2. If a genuine duplicate, no further action is needed
  3. If filed late, gather proof of timely submission and file a timely-filing appeal

More Denial Codes to Check

CARC CO-18 Duplicate claim or service RARC M86 Service denied — payment already made for the same/similar procedure within a set time frame CARC CO-29 The time limit for filing has expired CARC CO-B14 CARC CO-A4 CARC CO-19 Work-related injury/illness — liability of the Workers' Compensation carrier CARC CO-D2 CARC CO-285

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

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