← Back to Code Directory
CARC
CO-21
CARC
CO — Contractual Obligation
Coordination of Benefits
Quick Facts
Code
CO-21
Type
CARC
Category
Coordination of Benefits
Status
Active
This injury/illness is the liability of the no-fault carrier
What Does This Code Mean?
The payer believes a no-fault auto insurance carrier is responsible for this claim.
Common Causes
- Diagnosis/documentation suggests a motor vehicle accident
- No-fault claim information missing from the payer's file
Recommended Next Steps
- Confirm whether a no-fault auto claim exists for this patient
- Bill the no-fault carrier if applicable, or appeal with clarification
Recently Viewed
Educational reference only — not medical or legal advice. Always confirm code usage and appeal rights with the specific payer.