MA18Remark Code (RARC)ActiveInformational Alert
Effective 01/01/1997 · Updated 04/01/2007

MA18 Remark Code - Claim Forwarded to Supplemental Insurer

The MA18 remark code indicates that the claim information is being sent to the patient's supplemental insurer. This is an alert meant to inform the provider that there may be additional benefits available through the supplemental insurance.

What This Alert Tells You

As an alert remark code, MA18 does not accompany any specific adjustment or denial reason codes. Instead, it serves to inform providers about the status of the claim in relation to supplemental insurance.

Common Scenarios

1A provider submits a claim for a patient who has both primary and supplemental insurance. Upon receiving the 835 remittance advice, the biller sees the MA18 remark code.
→ The MA18 code indicates that the claim has been forwarded to the patient's supplemental insurer, suggesting that there may be additional coverage that could affect payment.
2After billing for a surgical procedure, the provider receives an 835 with the MA18 remark along with the primary insurer's payment details.
→ The MA18 alert informs the provider that the claim information has been shared with the supplemental insurer, and any questions regarding further benefits should be directed to them.
3A patient has a primary insurance plan and a Medicare plan, and the provider receives an 835 that includes the MA18 code after billing for a diagnostic test.
→ The MA18 remark indicates that information about the claim has also been sent to the supplemental insurer, which in this case may be Medicare, highlighting potential additional benefits.

What to Do

  1. Do not take any action regarding the claim based on this alert; it does not require a resubmission or correction.
  2. If questions arise about the supplemental benefits, contact the supplemental insurer directly.

What to Check

  • Review the claim details to confirm that the supplemental insurer has been accurately identified.
  • Check the patient's insurance coverage documents to understand the benefits that may be available from the supplemental insurer.
  • Verify any communication or documentation from the supplemental insurer regarding potential benefits for the claim.