CARC 143: Portion of payment deferred.
Portion of payment deferred.
CARC 143 appears on the 835 ERA (Electronic Remittance Advice) that the payer returns after claim adjudication. It explains a reduction, denial, or payment adjustment to your billing team. For your practice, the question is workflow: identify the pattern, route the denial to the right resolution path (rebill, appeal, write-off), and recover what's recoverable without burning RVU time on dead-end fights.
What CARC 143 means
The official X12 description is: “Portion of payment deferred.”
In plain language: Portion of payment deferred.
Practice workflow for CARC X 143
Verify the EOB details. If you believe the code is misapplied, contact the carrier's member services or your provider's billing office.
CARC 143 group codes explained
On the 835 ERA, CARC 143 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 143 mean?
Portion of payment deferred. In plain language: Portion of payment deferred.
Is CARC 143 appealable?
CARC 143 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 143 appear under?
CARC 143 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 143 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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