Denial Code 151 (CO-151, PR-151) — Meaning & What to Do
Claim Adjustment Reason Code (CARC)
What denial code 151 means: The information submitted doesn't support this many services.
What to do about denial code 151: If you believe this is wrong, you can appeal with supporting notes from your doctor.
CO-151 vs PR-151 vs OA-151: what the prefix means
| Code on your EOB | What the prefix means | Who typically pays |
|---|---|---|
| CO-151 | Contractual obligation — the provider writes the amount off | Usually not the patient |
| PR-151 | Patient responsibility | The patient |
| OA-151 | Other adjustment | Often another payer or plan |
The prefix tells you who is expected to absorb the amount; the number (151) tells you why.
Related codes
CARC 150The information submitted doesn't support this level of service.
CARC 152The information submitted doesn't support this length of service.
CARC 149The lifetime benefit maximum for this provider/service was reached.
CARC 167This diagnosis isn't covered by the plan.
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 151
What does denial code 151 mean on my EOB?
The information submitted doesn't support this many services.
What should I do about denial code 151?
If you believe this is wrong, you can appeal with supporting notes from your doctor.
Found this code on your bill or EOB?
Upload the document — MD Bill Check decodes every code, checks the math line by line, and explains what's worth questioning.