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CO-P13 - Denial Journal
CARC

CO-P13

What This Code Means

Payment reduced or denied based on workers’ compensation jurisdictional regulations or payment policies, use only if no other code is applicable. To be used for Workers’ Compensation only.

Common Causes

  • Payer-specific processing rule or historical/administrative code
  • May require payer contact for full context

How to Resolve or Appeal

  1. Review the payer's specific policy referenced by this code
  2. Contact the payer's provider services line if the reason isn't clear from the remittance

More Denial Codes to Check

CARC CO-113 CARC CO-307 CARC CO-B3 CARC CO-171 CARC CO-229 CARC CO-191 CARC CO-B10 CARC CO-308 CARC CO-203 CARC CO-69 RARC M1

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

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