Remittance advice remark code
Remark code M80 meaning
RARC M80: The payer does not cover this when done in the same session or on the same date as a service it already processed.
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- Remark code
- RARC M80
- Short name
- Not covered on the same date as an earlier service
- Plain meaning
- The payer does not cover this when done in the same session or on the same date as a service it already processed.
- Kind
- Adds detail to the reason code on the same line.
Plain-English summary written by Rivvi. X12 owns the RARC list and its exact wording, which is not reproduced here. Read it on the X12 RARC list (list dated July 1, 2026, checked October 23, 2026). This page does not decide how a claim is paid.
What to check before resubmitting
- Check NCCI edits against the earlier claim.
- If the service was separate, add the modifier the edit allows and document why.
Reason codes it often comes with
Related remark codes
Related pages
Questions
What does remark code M80 mean?
The payer does not cover this when done in the same session or on the same date as a service it already processed. This is Rivvi's plain-English summary of RARC M80. X12's exact wording is on x12.org.
What should I do about M80?
Check NCCI edits against the earlier claim. If the service was separate, add the modifier the edit allows and document why.
Is M80 a denial?
A remark code adds detail to the reason code on the same line. The reason code (CARC) and its group code decide what was denied or adjusted. It is often paired with reason codes 97, 236.
What is the difference between a RARC and a CARC?
A remittance advice remark code (RARC) adds detail to a claim adjustment reason code (CARC). The CARC says why the line was adjusted. The RARC often says what to fix.