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N838 Remark Code: Postponed Care, Prior-Year Cost Share

N838 is an alert that the service was postponed because of a federal, state, or local mandate or disaster declaration. Deductible and other member liability were applied to the prior plan year, when the procedure was originally scheduled, instead of the current one.

Code: N838 (RARC N838)
Status: Active In use since November 1, 2020.
Code set: Remittance Advice Remark Codes (RARC)
Group codes: PR (Patient Responsibility): Patient cost sharing was calculated against the prior plan year's deductible and limits.
Official description: Alert: Service/procedure postponed due to a federal, state, or local mandate/disaster declaration. Any amounts applied to deductible or member liability will be applied to the prior plan year from which the procedure was cancelled.
X12 Remittance Advice Remark Codes, retrieved September 25, 2026
Last verified: September 24, 2026 against the official X12 list.

What N838 means

Emergency orders sometimes force elective procedures to be postponed, and a delay can push a procedure into a new plan year. Normally that would mean a fresh deductible for the patient. N838 tells you the payer avoided that: it applied deductible and member liability to the prior plan year, from which the procedure was canceled.

The claim was processed and the alert only explains how the patient’s share was calculated. It sits next to the PR adjustments for deductible or coinsurance.

What to do

Post the PR amounts as reported. They reflect prior-year accumulators, not the current year’s.
Compare with any estimate you gave the patient or collected up front, and refund any overpayment.
Explain it to the patient if their statement looks different from their current-year deductible status.
Keep the remittance in case a later claim’s cost sharing looks inconsistent with the member’s accumulators.

Codes that may appear with N838

PR-1 (Deductible Amount): Deductible amount, applied to the prior plan year.
PR-2 (Coinsurance Amount): Coinsurance amount, calculated under prior-year accumulators.

N810 (Alert: Due to federal, state or local disaster declaration, this claim has been processed at the in-network level of benefit.): A disaster declaration led the payer to apply in-network benefit levels.
CO-115 (Procedure postponed, canceled, or delayed.): A procedure postponed, canceled, or delayed.

N838 FAQ

Why would the payer use last year's deductible?

When a mandate or disaster forced a procedure to be postponed into a new plan year, some payers apply cost sharing as if it happened on the originally scheduled date, so the patient isn't penalized by a reset deductible.

Does this change what I collect from the patient?

It can. Collect the PR amount the payer calculated, which may be lower than a current-year deductible would suggest. Refund any excess already collected.

Do I need to do anything else?

No claim action is needed. Just post the patient responsibility as reported.

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