M88Remark Code (RARC)Deactivated
Effective 01/01/1997 · Stopped 08/01/2004

M88 Remark Code (Deactivated)

M88 is a retired remittance advice remark code. Payers stopped using it on 08/01/2004.

Seeing M88 on a Remittance?

  • M88 was retired effective 08/01/2004 and should not appear on new remittances.
  • Official retirement note: Consider using Reason Code B20
  • If M88 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.