RARC N109Alert

This claim was selected for a more detailed, complex medical review.

This is an informational alert code and isn't tied to a specific claim adjustment.

Related Alert codes

Frequently asked questions

What does RARC N109 mean?

This claim was selected for a more detailed, complex medical review.

Is RARC N109 a supplemental or alert code?

N109 is an Alert code — it's informational and isn't tied to a specific claim adjustment.

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.