CARC 264: Adjustment for postage cost.
Adjustment for postage cost.
CARC 264 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 264 means
The official X12 description is: “Adjustment for postage cost.”
In plain language: Adjustment for postage cost.
What to do next 264
Verify the EOB details. If you believe the code is misapplied, contact the carrier's member services or your provider's billing office.
CARC 264 group codes explained
On the 835 ERA, CARC 264 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 264 mean?
Adjustment for postage cost. In plain language: Adjustment for postage cost.
Is CARC 264 appealable?
CARC 264 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 264 appear under?
CARC 264 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 264 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.
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