CARC 238: Claim spans eligible and ineligible periods of coverage, this is the reduction for the ineligible period.
Claim spans eligible and ineligible periods of coverage, this is the reduction for the ineligible period.
CARC 238 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 238 means
The official X12 description is: “Claim spans eligible and ineligible periods of coverage, this is the reduction for the ineligible period.”
In plain language: Claim spans eligible and ineligible periods of coverage, this is the reduction for the ineligible period.
Practice workflow for CARC X 238
Appeal with documentation specific to this code. The provider's billing office can help clarify what the carrier wants.
ApprovalHelp auto-drafts the appeal letter against the right federal appeal-rights regulation (ACA §2719, ERISA §503, NSA §2799A, 42 CFR 422 Subpart M, or 42 CFR 438 Subpart F) for the patient's plan type, the payer's own coverage policy, and the relevant clinical guideline. Drafts route to the clinician for signature in under five minutes.
CARC 238 group codes explained
On the 835 ERA, CARC 238 appears alongside a group code that signals who is financially responsible for the adjustment. PR (Patient Responsibility) — Patient owes this amount. Deductibles, coinsurance, copays, and excluded benefits land here.
Frequently asked questions
What does CARC 238 mean?
Claim spans eligible and ineligible periods of coverage, this is the reduction for the ineligible period. In plain language: Claim spans eligible and ineligible periods of coverage, this is the reduction for the ineligible period.
Is CARC 238 appealable?
Yes — CARC 238 is one of the codes that commonly supports an appeal. Appeal with documentation specific to this code. The provider's billing office can help clarify what the carrier wants.
Which group code does CARC 238 appear under?
CARC 238 most often appears under: PR (Patient Responsibility) — Patient owes this amount. Deductibles, coinsurance, copays, and excluded benefits land here.
What's the practice workflow for a CARC 238 denial?
Appeal with documentation specific to this code. The provider's billing office can help clarify what the carrier wants.
Related resources
Sources
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