M128Remark Code (RARC)Deactivated
Effective 01/01/1997 · Stopped 06/02/2005

M128 Remark Code (Deactivated)

M128 is a retired remittance advice remark code. Payers stopped using it on 06/02/2005.

Seeing M128 on a Remittance?

  • M128 was retired effective 06/02/2005 and should not appear on new remittances.
  • If M128 appears on an old ERA you are reworking, interpret it per the remittance date, then follow the current code's guidance for any corrected claim.