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N30 Remark Code: Patient Ineligible for This Service

N30 means the patient is not eligible for the specific service billed. The patient may have active coverage, but the plan's rules, such as age, benefit package, or program criteria, exclude them from this service on that date.

Quick facts

Code
N30 (RARC N30)
Status
Active In use since January 1, 2000; last modified June 30, 2003.
Code set
Remittance Advice Remark Codes (RARC)
Group codes
  • PR (Patient Responsibility): The service is assigned to the patient, which can be billed if the patient agreed to financial responsibility and your contract and applicable rules allow it.
  • CO (Contractual Obligation): The provider bears the loss, often because the provider was expected to verify eligibility or obtain a waiver before the service.
Official description
Patient ineligible for this service.
X12 Remittance Advice Remark Codes, retrieved September 25, 2026
Last verified
against the official X12 list.

What N30 means

Eligibility has two layers: whether the person is a member, and whether the member qualifies for a particular benefit. N30 is about the second layer. The payer recognized the patient but decided they did not qualify for this service. Reasons can include the member’s age, the benefit package they are enrolled in (for example a limited-scope Medicaid category), a waiting period, or program criteria the patient does not meet.

The remark is commonly paired with CARC 204 or CARC 96, and sometimes with more specific codes like CARC 6 (age) or CARC 177 (eligibility requirement not met).

Common causes

  • The patient is enrolled in a restricted benefit package, such as one limited to emergency or pregnancy-related services.
  • An age limit applies to the service, as with some preventive or pediatric benefits.
  • The patient’s plan excludes the benefit category entirely.
  • The patient’s enrollment in a specific program, such as a waiver or carve-out, was not active.
  • The payer’s eligibility file had not yet updated when the claim processed.

What to do

  1. Run a fresh eligibility check for the date of service and look at the benefit details, not just active status.
  2. Compare the service to the plan’s rules. Confirm whether the benefit exists for this member’s plan and age.
  3. Fix coding errors if the service was coded as something the patient does not qualify for, then send a corrected claim.
  4. Bill another payer if the service is covered elsewhere, such as a carve-out plan.
  5. Bill the patient only when the group code, the patient’s advance agreement, and payer rules allow.

How to prevent it

Verify benefit-level eligibility, not just active coverage, before scheduling services with known restrictions. For a structured approach, see eligibility and COB denials.

Codes that may appear with N30

  • PR-204 (This service/equipment/drug is not covered under the patient's current benefit plan): The service is not covered under the patient's current benefit plan.
  • CO-96 (Non-covered charge(s).): A non-covered charge, with N30 explaining that the patient does not qualify for it.
  • CO-177 (Patient has not met the required eligibility requirements.): The patient has not met a required eligibility requirement.
  • CO-6 (The procedure/revenue code is inconsistent with the patient's age.): The service is inconsistent with the patient's age.
  • N129 (Not eligible due to the patient's age.): The patient is not eligible specifically because of age.
  • N216 (We do not offer coverage for this type of service or the patient is not enrolled in this portion of our benefit package.): The payer does not cover this type of service, or the patient is not enrolled in that part of the benefit package.
  • PR-27 (Expenses incurred after coverage terminated.): Coverage had ended before the service, a different eligibility problem.
  • N52 (Patient not enrolled in the billing provider's managed care plan on the date of service.): The patient was not enrolled in the billing provider's managed care plan on the date of service.

N30 FAQ

How is N30 different from 'patient not covered'?

With N30 the patient generally does have coverage, but not for this service. A terminated or unknown member usually gets a different code, such as CARC 27 or CARC 31.

Can the patient be billed?

If the group code is PR and the patient was told in advance, often yes. For Medicaid and some contracts, billing the patient is restricted, so check the program and your agreement.

Could an N30 denial be wrong?

Yes. Eligibility data can be outdated, or the service may have been coded in a way that looks like a restricted benefit. Recheck eligibility for the date of service and verify the coding.