Which denial codes appear with N59?

N59 commonly rides with CO 16, PR 96. The adjustment code says the claim was reduced; the remark code says why.

Remark code

N59 denial code

The payer has pointed you at the provider manual rather than naming the rule it applied.

Usually an appeal

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

Treat this as a non-answer. Call and ask which specific policy was applied, and get the answer in writing. A denial that will not cite its own rule is one of the more winnable ones on appeal.

Codes it appears with

N59 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.
PR 96	Not a covered charge under this plan.

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