Misrouted claim
This claim was sent to the wrong payer, plan or address. The remark tells you to follow the payer's submission instructions.
Usual causes
- Wrong payer ID at the clearinghouse.
- Carve-out benefit (behavioral health, vision, dental) handled by another administrator.
- Medicare Advantage claim sent to traditional Medicare, or the reverse.
The fix
Check the card and the eligibility response for the correct payer ID and address, then send the claim there. Keep this remittance as proof of timely filing.
Appeal or corrected claim?
Redirect; nothing to appeal.
Deadline to watch
The correct payer's timely filing limit from the date of service.
Exact limits are in your payer contract or provider manual. When in doubt, send the correction or appeal this week.
Often seen together
Wrong payer: the claim was misrouted. Check the card and eligibility response for the correct payer ID and send it there.
N418 in short
What does N418 mean?
This claim was sent to the wrong payer, plan or address. The remark tells you to follow the payer's submission instructions. The official X12 text reads: "Misrouted claim. See the payer's claim submission instructions."
What usually causes a N418 denial?
Wrong payer ID at the clearinghouse. Carve-out benefit (behavioral health, vision, dental) handled by another administrator. Medicare Advantage claim sent to traditional Medicare, or the reverse.
How do I fix N418?
Check the card and the eligibility response for the correct payer ID and address, then send the claim there. Keep this remittance as proof of timely filing.
Should I appeal N418 or send a corrected claim?
Call or redirect. Redirect; nothing to appeal.
What deadline applies to N418?
The correct payer's timely filing limit from the date of service.