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N416 Remark Code: Allowed Once in 3 Years

N416 means the service is allowed one time in a 3-year period. The payer has a record of the same service or item within the last three years, so the current claim exceeded the limit and was denied or reduced.

Quick facts

Code
N416 (RARC N416)
Status
Active In use since August 1, 2007; last modified July 1, 2016.
Code set
Remittance Advice Remark Codes (RARC)
Group codes
  • PR (Patient Responsibility): The patient's benefit allows one per three years, so an early repeat may be the patient's responsibility with proper notice.
  • CO (Contractual Obligation): The payer applied the limit under its policy or your contract, and the amount is written off by the provider.
Official description
This service is allowed 1 time in a 3-year period.
X12 Remittance Advice Remark Codes, retrieved September 25, 2026
Last verified
against the official X12 list.

What N416 means

N416 enforces a three-year frequency rule. The payer covers the service or item once per three years and considers anything sooner outside the benefit. It typically explains CARC 119, and sometimes CARC 96 when the payer simply marks the line non-covered.

Three-year limits often apply to things that are meant to last: replacement appliances, certain equipment, or periodic services that plans consider unnecessary more often. The specific list varies by plan and payer.

When an early repeat might still be payable

The limit is not always the end of the story. Payers may make exceptions when:

  • the patient’s condition changed and the existing item no longer works for them,
  • the prior item was lost, stolen, or damaged beyond repair,
  • growth or anatomical change made the earlier item unusable, or
  • the prior claim was billed with the wrong date or code and should not count.

Each of these needs documentation. Without it, the payer will apply the limit.

How to fix it

  1. Confirm the prior service date and billing provider with the payer.
  2. Correct errors. If the earlier claim was misdated or miscoded, get it fixed. If the current claim has the error, send a corrected claim with resubmission code 7 and the original claim number.
  3. Assemble exception evidence when a clinical change, loss, or damage justified early replacement: provider notes, measurements, reports, or a police or incident report where relevant.
  4. Submit an appeal or exception request according to the payer’s process and deadlines.
  5. If no exception applies, handle the balance under your contract and any notice given to the patient.

How to prevent it

When dispensing or scheduling anything with a multi-year limit, check the date of the last covered item first. If an early replacement seems necessary, document the reason at the visit and ask whether the payer requires prior authorization; see authorization and referral denials for that workflow.

Codes that may appear with N416

  • PR-119 (Benefit maximum for this time period or occurrence has been reached.): The benefit maximum for the time period was reached; N416 names the three-year interval.
  • CO-96 (Non-covered charge(s).): Non-covered charge, with N416 explaining that the service falls inside the three-year limit.
  • CO-273 (Coverage/program guidelines were exceeded.): Coverage guidelines were exceeded.
  • N417 (This service is allowed 1 time in a 5-year period.): An even longer interval of once every five years.
  • N415 (This service is allowed 1 time in an 18-month period.): A shorter interval of once every 18 months.
  • N410 (Not covered unless the prescription changes.): A related replacement rule: not covered unless the prescription changes.

N416 FAQ

What kinds of services have a three-year limit?

Plans commonly use multi-year limits for items that are expected to last, such as some appliances or equipment, and for certain periodic services. Which services qualify depends entirely on the plan.

The item was lost or broken. Does that change anything?

Some plans cover replacement for loss, theft, or irreparable damage within the interval, often with documentation. Others do not. Check the policy and ask the payer what it needs.

Can the patient pay out of pocket?

Yes, if the denial is valid and you follow your contract's rules on patient billing and advance notice.