CARC 257: The disposition of the related Property & Casualty claim has not yet been finalized.
The disposition of the related Property & Casualty claim has not yet been finalized.
CARC 257 is the code your insurance company used to explain why your claim was reduced, denied, or paid less than expected. It appears on your Explanation of Benefits (EOB) — the statement your plan sends after a claim is processed. Here's what it means for you and what you can do about it.
What CARC 257 means
The official X12 description is: “The disposition of the related Property & Casualty claim has not yet been finalized.”
In plain language: The disposition of the related Property & Casualty claim has not yet been finalized.
What to do next 257
Verify the EOB details. If you believe the code is misapplied, contact the carrier's member services or your provider's billing office.
CARC 257 group codes explained
On the 835 ERA, CARC 257 appears alongside a group code that signals who is financially responsible for the adjustment. OA (Other Adjustment) — Informational or coordination-related adjustment. Usually means another payer is involved or there's a non-claim-related accounting entry.
Frequently asked questions
What does CARC 257 mean?
The disposition of the related Property & Casualty claim has not yet been finalized. In plain language: The disposition of the related Property & Casualty claim has not yet been finalized.
Is CARC 257 appealable?
CARC 257 is usually not appealable on its own — it's typically a contractual, informational, or routine adjustment. Verify the EOB details. If you believe the code is misapplied, contact the carrier's member services or your provider's billing office.
Which group code does CARC 257 appear under?
CARC 257 most often appears under: OA (Other Adjustment) — Informational or coordination-related adjustment. Usually means another payer is involved or there's a non-claim-related accounting entry.
What should I do if I see CARC 257 on the 835?
Verify the EOB details. If you believe the code is misapplied, contact the carrier's member services or your provider's billing office.
Related resources
Sources
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