RARC N831: Provider Enrollment Revalidation Request Unanswered
The provider has not responded to a payer request to revalidate enrollment information — submit updated enrollment documentation promptly to restore claims processing.
What Does RARC N831 Mean?
RARC N831 indicates that the payer — typically a Medicare Administrative Contractor (MAC) — sent a request to revalidate the provider's or supplier's enrollment information and has not received a response. Medicare requires periodic revalidation of enrollment to confirm that providers continue to meet participation requirements, and the revalidation cycle varies based on provider type and risk category.
When a revalidation request goes unanswered past the deadline, the payer may begin holding or denying claims until the process is completed. This affects all claims submitted by the provider, not just specific services. The revalidation process requires the provider to confirm or update their practice information, licensure, ownership details, and other enrollment data.
N831 is a serious administrative issue because it can result in deactivation of the provider's Medicare enrollment if not addressed promptly. Deactivation means all claims will be denied until the provider reactivates their enrollment, which can be a lengthy process and may not be retroactive depending on how long the enrollment was inactive.
What to Do
Contact the MAC or payer immediately to confirm the revalidation request and determine the deadline. If the deadline has passed, ask whether an extension or grace period is available. Gather all required documentation for revalidation, which typically includes current state licenses, certifications, DEA registration, proof of malpractice insurance, and updated practice and ownership information.
Submit the revalidation application through PECOS (the Provider Enrollment, Chain, and Ownership System) for Medicare, or through the payer's designated enrollment portal for other insurers. Track the application status and follow up regularly until it is processed. Once revalidation is complete, resubmit any claims that were denied due to the enrollment hold. To prevent future N831 situations, set up reminders for revalidation deadlines and monitor correspondence from payers for revalidation notices.
Common Scenarios
- A Medicare provider receives a revalidation notice but it is overlooked by the office, and claims begin being denied after the response deadline passes
- A provider group's credentialing coordinator leaves the practice and the revalidation request is not forwarded to anyone, resulting in a lapsed response
- A Medicare supplier receives a revalidation request at an outdated mailing address and never sees it, causing claims to be held
- A provider completes the revalidation application but an incomplete submission is returned, and the follow-up is not completed before the deadline
Commonly Paired With
RARC N831 commonly appears alongside these CARC denial codes:
| Code | Name | |
|---|---|---|
| CO-278 | Performance Program Proficiency Requirements Not Met | → |
| CO-282 | Procedure/Revenue Code Does Not Match Type of Bill | → |