RARC M90: Not covered more than once in a 12 month period.

Not covered more than once in a 12 month period.

Common CARC pairings

RARC M90 appears with a Claim Adjustment Reason Code (CARC) on the 835 electronic remittance advice and gives more detail about the adjustment. These are the CARCs most often paired with RARC M90.

CARC	Meaning
49	This is a non-covered service because it is a routine/preventive exam or a diagnostic/screening procedure done in conjunction with a routine/preventive exam. Usage: Refer to the 835 Healthcare Policy Identification Segment (loop 2110 Service Payment Information REF), if present.
96	Non-covered charge(s). At least one Remark Code must be provided (may be comprised of either the NCPDP Reject Reason Code, or Remittance Advice Remark Code that is not an ALERT.) Usage: Refer to the 835 Healthcare Policy Identification Segment (loop 2110 Service Payment Information REF), if present.
119	Benefit maximum for this time period or occurrence has been reached.
256	Service not payable per managed care contract.