Which denial codes appear with N211?

N211 commonly rides with CO 16. The adjustment code says the claim was reduced; the remark code says why.

Remark code

N211 denial code

The payer is telling you this particular decision carries no appeal rights.

Find out which, first

A remark code is not the denial. The adjustment code says the claim was reduced. This one says why. You need both to know what to send back.

What to do

Check what it is attached to before accepting it. Attached to an unprocessable claim it is simply true, and the fix is a corrected claim. Attached to an actual adjudication it is worth challenging, because a processed claim normally does carry appeal rights.

Codes it appears with

N211 commonly rides alongside these. Our reading, not a published mapping: X12 publishes no adjustment-to-remark table.

Code	What that one means
CO 16	Something the payer needed was missing or wrong on the claim.

Upload your denial export 4 columns. No patient data. One page back.