Remittance Advice Remark · Note
RARC N122: Add-on code cannot be billed by itself.
Add-on CPT (e.g., +93571 cardiac cath add-on) was billed without the primary procedure.
Code type
Remittance Advice Remark Code (RARC)
Category
Note
Source
X12 RARC list
What it means
The official X12 description: “Add-on code cannot be billed by itself.”
In plain language: Add-on CPT (e.g., +93571 cardiac cath add-on) was billed without the primary procedure.
What to do
Provider must bill the primary procedure along with the add-on. Resubmit corrected.
Frequently asked questions
What does RARC N122 mean?
Add-on code cannot be billed by itself. In plain language: Add-on CPT (e.g., +93571 cardiac cath add-on) was billed without the primary procedure.
What should I do when I see RARC N122?
Provider must bill the primary procedure along with the add-on. Resubmit corrected.
Commonly paired CARC codes
Sources
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