RARC N111Supplemental

This determination isn't subject to appeal except to correct a duplicate billing issue.

This code supplements the claim adjustment reason (CARC) code it accompanies with more detail about why the adjustment was made.

Related Supplemental codes

Frequently asked questions

What does RARC N111 mean?

This determination isn't subject to appeal except to correct a duplicate billing issue.

Is RARC N111 a supplemental or alert code?

N111 is a Supplemental code — it adds detail to the claim adjustment reason (CARC) code it accompanies.

CARC codes maintained by X12 (x12.org). Descriptions on this site are original reference interpretations. RARC codes maintained by CMS. Always verify codes with authoritative sources before making billing decisions.