Denial Code 122 (CO-122, PR-122) — Meaning & What to Do
Claim Adjustment Reason Code (CARC)
What denial code 122 means: This is a non-covered charge because it's a routine/screening exam.
What to do about denial code 122: Check whether it should have been billed as a covered preventive service.
CO-122 vs PR-122 vs OA-122: what the prefix means
| Code on your EOB | What the prefix means | Who typically pays |
|---|---|---|
| CO-122 | Contractual obligation — the provider writes the amount off | Usually not the patient |
| PR-122 | Patient responsibility | The patient |
| OA-122 | Other adjustment | Often another payer or plan |
The prefix tells you who is expected to absorb the amount; the number (122) tells you why.
Related codes
CARC 121An outstanding balance from a previous period was applied.
CARC 125The claim was submitted with an error in how it was set up.
CARC 118Charges were reduced for a specific health program requirement.
CARC 128Newborn services must be billed under the mother's or baby's own coverage.
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 122
What does denial code 122 mean on my EOB?
This is a non-covered charge because it's a routine/screening exam.
What should I do about denial code 122?
Check whether it should have been billed as a covered preventive service.
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.