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N509 Remark Code: Spending Account Funds Available

N509 is an alert that a current inquiry showed the member's Consumer Spending Account, such as an HSA, FSA, or HRA, had sufficient funds to cover the member's liability for the claim. Actual payment depends on funds and eligible-service rules at the time of payment.

Quick facts

Code
N509 (RARC N509)
Status
Active In use since November 1, 2008.
Code set
Remittance Advice Remark Codes (RARC)
Group codes
  • PR (Patient Responsibility): The underlying amount is still member responsibility. The alert only indicates the spending account may be able to pay it.
Official description
Alert: A current inquiry shows the member's Consumer Spending Account contains sufficient funds to cover the member liability for this claim/service. Actual payment from the Consumer Spending Account will depend on the availability of funds and determination of eligible services at the time of payment processing.
X12 Remittance Advice Remark Codes, retrieved September 25, 2026
Last verified
against the official X12 list.

What N509 means

Some health plans are linked to a Consumer Spending Account: a health savings account (HSA), flexible spending account (FSA), or health reimbursement arrangement (HRA). When they are, the payer may check the account balance while processing a claim. N509 reports a positive result: at the time of the check, the account held enough to cover the patient’s share.

It is a snapshot, not a payment. The official text notes that actual payment depends on funds still being available and on the service qualifying when the payment is processed.

What to do

  1. Hold the patient balance briefly if your policy allows, since a spending account payment may follow.
  2. Watch for the payment on a later remittance or from the account administrator.
  3. Bill the patient if the account does not pay, or pays only part of the balance.

No claim correction is needed for this alert.

Codes that may appear with N509

  • PR-1 / PR-2 / PR-3 (Deductible, coinsurance, and co-payment.): The member liability that the spending account may cover.
  • PR-187 (Consumer Spending Account payments (includes but is not limited to Flexible Spending Account, Health Savings Account, Health Reimbursement Account,…): Consumer Spending Account payments, used when funds are actually applied.
  • N510 (Alert: A current inquiry shows the member's Consumer Spending Account does not contain sufficient funds to cover the member's liability for this…): The inquiry showed the account did not have enough funds.
  • N511 (Alert: Information on the availability of Consumer Spending Account funds to cover the member liability on this claim/service is not available at…): Fund availability could not be determined.
  • N520 (Alert: Payment made from a Consumer Spending Account.): Payment was actually made from the spending account.

N509 FAQ

Does N509 mean the spending account paid me?

No. It reports a balance check at a point in time. Look for an actual payment, often reported with CARC 187 or N520, before assuming funds were applied.

Why might the account still not pay?

The balance could be used by other claims before payment processes, or the service might not qualify as an eligible expense under the account's rules.

Should I still collect from the patient?

Follow your financial policy. Many practices wait for the spending account outcome before billing the patient for the same amount.