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N95 Remark Code: Provider Type May Not Bill This Service

N95 means the payer does not allow this provider type or specialty to bill the service on the claim. The service itself may be covered, but not when billed by a provider with the credentials or taxonomy shown.

Quick facts

Code
N95 (RARC N95)
Status
Active In use since July 31, 2001; last modified February 28, 2003.
Code set
Remittance Advice Remark Codes (RARC)
Group codes
  • CO (Contractual Obligation): The provider is not eligible to bill this service under the payer's rules. The amount is normally written off and not charged to the patient.
  • PR (Patient Responsibility): Rare. Some payers assign liability to the patient for non-covered provider types, typically only where the patient was told in advance and agreed to pay.
Official description
This provider type/provider specialty may not bill this service.
X12 Remittance Advice Remark Codes, retrieved September 25, 2026
Last verified
against the official X12 list.

What N95 means

Payers maintain lists of which provider types and specialties may be paid for particular services. N95 explains a denial that came from that list: the provider identified on your claim, based on the specialty or taxonomy the payer has on file, is not on the approved list for the service billed.

N95 most often accompanies CARC 170. The fix depends on whether the provider really is ineligible or merely looks ineligible because of claim or enrollment data.

Common causes

  • Taxonomy mismatch. The claim or the payer’s enrollment file lists a specialty that does not match the provider’s actual one.
  • Wrong rendering provider. A different clinician in the group performed the service, but the claim listed someone else.
  • Genuine restriction. The payer does not pay this provider type for the service, for example certain non-physician practitioners for services it limits to physicians, or vice versa.
  • Enrollment gaps. The provider enrolled with the payer under one specialty and later added another that was never reported.

How to fix it

  1. Confirm who performed the service and check their taxonomy in NPPES and in the payer’s provider file.
  2. Correct claim data if the rendering provider (box 24J) or taxonomy was wrong, and send a corrected claim with resubmission code 7 in box 22 plus the original claim number.
  3. Update enrollment if the payer has the wrong specialty, then ask for reprocessing.
  4. Appeal if the payer’s own policy allows this provider type and the denial was an error, citing the policy.
  5. Write off the line if the restriction is valid and no other eligible provider performed the service.

How to prevent it

Review payer policies on provider-type restrictions before new clinicians start seeing patients or offering new services. Keep taxonomy and specialty consistent across NPPES, payer enrollment, and your billing system. Tracking CO-170 and N95 pairs by provider in ERA Analyzer shows where an enrollment fix would stop repeat denials.

Codes that may appear with N95

  • CO-170 (Payment is denied when performed/billed by this type of provider.): Payment is denied when billed by this type of provider; this is the most common partner for N95.
  • CO-8 (The procedure code is inconsistent with the provider type/specialty (taxonomy).): The procedure is inconsistent with the provider type or specialty, judged by taxonomy.
  • CO-185 (The rendering provider is not eligible to perform the service billed.): The rendering provider is not eligible to perform the service billed.
  • N94 (Claim/Service denied because a more specific taxonomy code is required for adjudication.): The taxonomy was too general, so the payer could not confirm provider type.
  • N90 (Covered only when performed by the attending physician.): Restricts a service to the attending physician specifically.
  • CO-171 (Payment is denied when performed/billed by this type of provider in this type of facility.): Denies payment for this provider type in this type of facility.

N95 FAQ

The provider is licensed to perform this service. Why N95?

State scope of practice and payer billing rules are different things. A payer can limit which provider types it pays for a service even when state law allows them to perform it.

Could a wrong taxonomy cause N95?

Yes. If the claim shows a taxonomy for a different specialty than the provider holds, the payer may apply the wrong provider-type rule. Correcting taxonomy is often the fix.

Can a supervising physician bill it instead?

Only if the payer allows that arrangement and the supervision and documentation requirements are met. Check the payer's policy on incident-to or supervised billing first.