Denial Code 199 (CO-199, PR-199) — Meaning & What to Do
Claim Adjustment Reason Code (CARC)
What denial code 199 means: A revenue code and procedure code don't match.
What to do about denial code 199: Ask the provider's billing office to explain or correct this, and resubmit if needed.
CO-199 vs PR-199 vs OA-199: what the prefix means
| Code on your EOB | What the prefix means | Who typically pays |
|---|---|---|
| CO-199 | Contractual obligation — the provider writes the amount off | Usually not the patient |
| PR-199 | Patient responsibility | The patient |
| OA-199 | Other adjustment | Often another payer or plan |
The prefix tells you who is expected to absorb the amount; the number (199) tells you why.
Related codes
CARC 198Pre-authorization was over the approved limit or number of visits.
CARC 200Expenses were incurred during a lapse in coverage.
CARC 193The original claim was rejected or denied for a coverage reason.
CARC 201This amount is the patient's responsibility under a workers' comp rule.
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 199
What does denial code 199 mean on my EOB?
A revenue code and procedure code don't match.
What should I do about denial code 199?
Ask the provider's billing office to explain or correct this, and resubmit if needed.
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.