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N832 Remark Code: Duplicate Occurrence or Span Code

N832 means the claim listed the same occurrence code or occurrence span code more than once. These codes tie key events and date ranges to an institutional claim, and a duplicate entry makes the claim ambiguous, so the payer returns it for correction.

Quick facts

Code
N832 (RARC N832)
Status
Active In use since July 1, 2020.
Code set
Remittance Advice Remark Codes (RARC)
Group codes
  • CO (Contractual Obligation): The claim was rejected or denied for a data error the facility can correct. It's not a patient balance.
Official description
Duplicate occurrence code/occurrence span code.
X12 Remittance Advice Remark Codes, retrieved September 25, 2026
Last verified
against the official X12 list.

What N832 means

Institutional claims use occurrence codes to report events that affect how a claim is paid, each with a date, and occurrence span codes to report date ranges, such as a prior stay or a period of non-covered care. They tell the payer things like when an accident happened or when a benefit period started.

N832 flags a repetition: the same occurrence code or span code appears more than once on the claim. The payer can’t tell which entry to use, or treats the repetition as an error, and sends the claim back, typically with CARC 16. This is almost always a hospital, skilled nursing, home health, or other facility claim.

Common causes

  • Interface duplication. Codes flow in from both registration and health information management, and each adds its own copy.
  • Manual additions to a claim that already carried the code.
  • Span codes entered as individual occurrences in addition to the span.
  • Copied claims. A prior claim was copied to start a new one, carrying its codes along with newly added ones.

How to fix it

  1. Review the claim’s occurrence and span code fields and list each code with its dates.
  2. Remove true duplicates, keeping the entry with the correct date or date range.
  3. If both entries are legitimate, such as the same code for different events, check whether the payer allows repeats and how it wants them reported.
  4. Resubmit as a new claim after a front-end rejection, or as a corrected institutional claim through your normal replacement process after an adjudicated denial.

How to prevent it

  • Add a scrubber edit that flags any repeated occurrence or span code.
  • Decide which system owns occurrence codes so they aren’t added from two places.
  • Clear copied fields when creating a claim from a previous one.

Codes that may appear with N832

  • CO-16 (Claim/service lacks information or has submission/billing error(s).): A submission or billing error; N832 identifies the duplicate occurrence entry.
  • M45 (Missing/incomplete/invalid occurrence code(s).): An occurrence code is missing, incomplete, or invalid.
  • M46 (Missing/incomplete/invalid occurrence span code(s).): An occurrence span code is missing, incomplete, or invalid.
  • N299 (Missing/incomplete/invalid occurrence date(s).): An occurrence date is missing or invalid.
  • N300 (Missing/incomplete/invalid occurrence span date(s).): An occurrence span date is missing or invalid.

N832 FAQ

What are occurrence codes and occurrence span codes?

They're codes on institutional claims that report significant events and their dates, such as an accident date, or a range of dates for events like a qualifying stay. Payers use them to apply coverage and payment rules.

Can the same occurrence code ever appear twice?

Some payers allow repeats for specific codes when the dates differ. If N832 appears, this payer treated the repeat as a duplicate. Check its billing instructions.

Is N832 caused by software?

Often. Interfaces that pull occurrence codes from both registration and abstracting can insert the same code twice.