M129Remark Code (RARC)Active
Effective 01/01/1997 · Updated 06/30/2003

M129 Remark Code - X-ray Availability Indicator Issue

The M129 remark code indicates that the claim includes a missing, incomplete, or invalid indicator of x-ray availability for review. This remark supplements the information provided by an accompanying reason code, clarifying the specific issue with the x-ray documentation related to the claim.

How It Relates to the Denial

The M129 code typically accompanies reason codes that indicate a denial or adjustment due to documentation issues. The combination signals that the payer requires specific x-ray availability information to proceed with the claim assessment.

Common Scenarios

1A provider submitted a claim for a diagnostic service that requires x-ray review, but the remittance returned shows a denial for missing documentation.
→ The M129 remark suggests that the payer is unable to verify the x-ray availability because the required indicator was not included or is invalid, prompting a need for proper documentation.
2A claim for an imaging service was adjusted due to insufficient documentation, and the remittance includes the M129 remark code.
→ This indicates that the payer found the x-ray availability indicator lacking or incorrectly filled out, necessitating clarification or correction before the claim can be processed further.
3A billing office received a denial for a procedure that requires x-ray evidence, along with the M129 remark on the remittance advice.
→ The M129 remark highlights the specific deficiency regarding x-ray availability documentation, which must be addressed to resolve the denial.

What to Do

  1. Review the claim documentation for x-ray availability indicators to ensure they are complete and accurate.
  2. Correct any missing or invalid x-ray availability information and prepare to resubmit the claim if necessary.

What to Check

  • The claim submission documents for the x-ray availability indicator field.
  • Any attached medical records or notes that reference the x-ray availability.
  • The payer's requirements for x-ray documentation to confirm compliance.