Look up another code

N741 Remark Code: Site-Neutral Payment Applied

N741 means this service was paid at a site-neutral rate. Instead of the usual hospital outpatient rate, the payer applied a rate that aligns payment with other settings, most commonly for Medicare services at certain off-campus hospital outpatient departments.

Code: N741 (RARC N741)
Status: Active In use since March 1, 2015.
Code set: Remittance Advice Remark Codes (RARC)
Group codes: CO (Contractual Obligation): The difference between the standard hospital outpatient rate and the site-neutral rate is a contractual or regulatory reduction. It is not billable to the patient.
Official description: This is a site neutral payment.
X12 Remittance Advice Remark Codes, retrieved September 25, 2026
Last verified: September 24, 2026 against the official X12 list.

What N741 means

Hospital outpatient departments have historically been paid more than physician offices for similar services. Site-neutral policies narrow that gap. Under Medicare, many services furnished at off-campus provider-based hospital departments that do not qualify for an exception are paid at a rate aligned with the physician fee schedule rather than the full outpatient rate.

N741 tells you the payer applied that kind of rate to this line. It is a pricing notice, not a denial. It usually appears with CARC 45 or a regulatory adjustment code.

When to look closer

The department is on-campus or qualifies for an exception, but was paid site-neutral.
The modifier used to identify the department’s status appears to be wrong on the claim.
A commercial payer applied site-neutral pricing that is not in your contract.

What to do

Confirm the department’s location and status: on-campus, off-campus excepted, or off-campus non-excepted.
Check the claim’s department identification, including any status modifier the payer requires, such as Medicare’s PO or PN modifiers.
If the claim was coded wrong, send a corrected claim with the correct modifiers and location data.
If the claim was right and the payer misapplied the rule, request reconsideration with documentation of the department’s status.
For commercial payers, compare the payment with your contract terms.

How to prevent it

Keep a registry of every hospital outpatient location and its site-neutral status, and apply modifiers automatically based on location. Watching site-neutral adjustments in an ERA analysis helps you spot misclassified departments early.

Codes that may appear with N741

CO-45 (Charge exceeds fee schedule/maximum allowable or contracted/legislated fee arrangement.): The charge exceeded the allowed amount, which was set at the site-neutral rate.
CO-223 (Adjustment code for mandated federal, state or local law/regulation that is not already covered by another code and is mandated before a new code…): An adjustment required by federal or state law or regulation.

N535 (Payment is adjusted when procedure is performed in this place of service based on the submitted procedure code and place of service.): Payment adjusted based on the place of service and procedure code, a related location-based adjustment.
N600 (Adjusted based on the applicable fee schedule for the region in which the service was rendered.): Adjusted based on the fee schedule for the region where the service was rendered.
CO-58 (Treatment was deemed by the payer to have been rendered in an inappropriate or invalid place of service.): The payer considers the place of service inappropriate, which is a denial rather than a rate change.

N741 FAQ

What is a site-neutral payment?

It is a policy of paying the same, or a closer, amount for a service regardless of whether it is furnished in a hospital outpatient department or another setting such as a physician office.

Which services are affected?

For Medicare, site-neutral rules mainly apply to many services at off-campus provider-based hospital departments that do not qualify for an exception. Commercial payers may have their own site-neutral policies.

Can I appeal an N741 payment?

If the department qualifies for an exception or was misclassified, contact the payer with supporting information. If the rule applies correctly, the reduced rate is expected.

Important: read before using this information

This page is general educational information about a standard industry code set. It is not medical billing, coding, legal, reimbursement, or compliance advice, and it does not create a professional or advisory relationship with ClaimsRevenue.

Code definitions, payer usage, contracts, and laws change, and payers may apply the same code differently. The information is provided “as is,” without warranties of any kind, express or implied, including accuracy, completeness, or currency. You are solely responsible for verifying it against the current official X12 code lists, CMS guidance, your payer contracts, and payer policies before relying on it, and for every billing, coding, collection, and appeal decision you make.

Using this information does not guarantee that any claim will be paid or that any appeal will succeed. To the fullest extent permitted by law, ClaimsRevenue and MOODRX LLC are not liable for any loss or damage arising from its use. Official code descriptions are published by X12 and are quoted for reference only. See our full Claims Validation Disclaimer.