Denial Code 201 (CO-201, PR-201) — Meaning & What to Do
Claim Adjustment Reason Code (CARC)
What denial code 201 means: This amount is the patient's responsibility under a workers' comp rule.
What to do about denial code 201: Confirm with the workers' comp payer.
CO-201 vs PR-201 vs OA-201: what the prefix means
| Code on your EOB | What the prefix means | Who typically pays |
|---|---|---|
| CO-201 | Contractual obligation — the provider writes the amount off | Usually not the patient |
| PR-201 | Patient responsibility | The patient |
| OA-201 | Other adjustment | Often another payer or plan |
The prefix tells you who is expected to absorb the amount; the number (201) tells you why.
Related codes
CARC 200Expenses were incurred during a lapse in coverage.
CARC 222This exceeds the contracted maximum number of hours/days/units.
CARC 199A revenue code and procedure code don't match.
CARC 223A mandated federal/state adjustment was applied.
Keep reviewing your bill
- Medical Bill vs EOB: What Is the Difference?
- How to Dispute a Medical Bill — Find Billing Errors Before You Pay
Frequently asked questions about Denial code 201
What does denial code 201 mean on my EOB?
This amount is the patient's responsibility under a workers' comp rule.
What should I do about denial code 201?
Confirm with the workers' comp payer.
Found this code on your bill or EOB?
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