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CO-19 - Denial Journal
CARC CO — Contractual Obligation

CO-19

Work-related injury/illness — liability of the Workers' Compensation carrier

What This Code Means

The payer determined this claim relates to a work injury and should be billed to workers’ compensation instead.

Common Causes

  • Diagnosis/documentation indicates an on-the-job injury
  • Intake didn't flag the visit as work-related

How to Resolve or Appeal

  1. Confirm with the patient/employer whether this was work-related
  2. If so, rebill to the workers' compensation carrier
  3. Appeal with documentation if it was not actually work-related

More Denial Codes to Check

RARC N8 RARC MA89 RARC MA88 RARC MA85 CARC CO-20 This injury/illness is covered by the liability carrier RARC MA04 Secondary payment cannot be considered without primary payer's identity/payment info CARC CO-71 RARC MA48

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

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