What does this remark code actually mean?
Insurers cram denials into cryptic codes like CO-45, PR-1, or N130. Paste yours below — we'll map it to a real denial reason and rank your next moves by confidence.
Enter a remark code
From your EOB or denial letter — CARC (numeric) or RARC (letter + digits).
Common codes to try
Group code cheat sheet
- CO — Contractual obligation. Provider write-off, not yours.
- PR — Patient responsibility (deductible, copay, coinsurance).
- OA — Other adjustment (usually informational).
- PI — Payer initiated reduction.
Paste a remark code to see what it really means
We'll map it to a plain-language denial reason and rank the next actions by confidence, so you know what's worth your time first.