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CARC
CO-20
CARC
CO — Contractual Obligation
Coordination of Benefits
Quick Facts
Code
CO-20
Type
CARC
Category
Coordination of Benefits
Status
Active
This injury/illness is covered by the liability carrier
What Does This Code Mean?
The payer believes a liability insurer (e.g. auto or general liability) is responsible for this claim.
Common Causes
- Diagnosis suggests an accident or injury with a liable third party
- Liability claim information not on file with the payer
Recommended Next Steps
- Confirm whether a liability claim exists (e.g. auto accident)
- Bill the liability carrier if applicable, or appeal with clarification if not
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Educational reference only — not medical or legal advice. Always confirm code usage and appeal rights with the specific payer.