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N542 Remark Code: Income Verification Missing

N542 means the payer or program did not receive required income verification. Some programs base eligibility, cost-sharing, or payment on income, and they need proof of the patient's or household's income before paying the claim.

Quick facts

Code
N542 (RARC N542)
Status
Active In use since March 8, 2011.
Code set
Remittance Advice Remark Codes (RARC)
Group codes
  • CO (Contractual Obligation): The claim is held or denied pending documentation. The provider should help obtain it before billing the patient.
  • PR (Patient Responsibility): If the program determines the patient does not qualify, some programs assign the amount to the patient.
Official description
Missing income verification.
X12 Remittance Advice Remark Codes, retrieved September 25, 2026
Last verified
against the official X12 list.

What N542 means

For most insurance, income does not affect a claim. For income-based programs, it can decide whether the patient qualifies, how much they pay, or how much the program pays the provider. N542 says the program has no income documentation on file and cannot finish processing without it.

Because the missing information is about the patient, not the service, the fix usually involves the patient.

Common causes

  • The patient enrolled or applied but never submitted proof of income.
  • Income documentation expired and the program needs updated proof for the period of service.
  • The provider collected income documents for its own assistance program but did not forward them to the payer program.
  • Documents were sent without the patient’s identifiers and were not matched.

How to fix it

  1. Confirm what the program needs: which documents, for what period, and who must submit them.
  2. Contact the patient and explain what to provide and by when.
  3. Submit the documentation through the program’s channel, labeled with the patient’s ID and claim information.
  4. Request reprocessing once the program confirms receipt.
  5. Bill the patient only if the program finds they do not qualify and the group code or program rules allow it.

How to prevent it

When scheduling patients covered by income-based programs, check that their income verification is current for the service date. Front-desk reminders about expiring documentation save weeks of claim delays.

Codes that may appear with N542

  • CO-16 (Claim/service lacks information or has submission/billing error(s).): The claim lacked information needed for adjudication.
  • CO-227 (Information requested from the patient/insured/responsible party was not provided or was insufficient/incomplete.): Information requested from the patient or responsible party was not provided.
  • CO-177 (Patient has not met the required eligibility requirements.): The patient has not met the program's eligibility requirements.
  • N543 (Incomplete/invalid income verification.): Income verification was received but was incomplete or invalid.
  • N179 (Additional information has been requested from the member.): Additional information was requested from the member.
  • CO-178 (Patient has not met the required spend down requirements.): The patient has not met spend down requirements, another income-related eligibility test.

N542 FAQ

Which payers ask for income verification?

Mostly income-based programs, such as certain state and local health programs, sliding-fee or assistance programs, and some public coverage tied to income. Standard commercial insurance rarely asks.

What documents usually count?

Programs commonly accept pay stubs, tax returns, benefit award letters, or employer statements, but each sets its own list. Check the program's instructions.

Who should send it, the patient or the provider?

It depends on the program. Some want it directly from the patient; others accept it through the provider. Follow the program's process.