Traditional MedicareAdministrativeMedium impact
How to File a Claim with MHD as the Tertiary Payer
Missouri Medicaid (MO HealthNet)·MO·Provider Notice
Effective date
Mar 2, 2023
We identified it
Jun 20, 2026
Summary
MO HealthNet has updated procedures for filing Medicare crossover claims when MO HealthNet serves as the tertiary payer for participants with supplemental/secondary insurance. The policy provides detailed step-by-step instructions for completing crossover claims through eMOMED, including specific claim adjustment reason codes and payer hierarchy requirements.
Action Required
Immediately: Billing team must review and implement the updated MO HealthNet tertiary payer crossover claim procedures. Access the step-by-step instructions on the MO HealthNet Education and Training webpage. Update crossover claim workflows to include the specific claim adjustment reason codes (001, 002, 023, 045) and ensure proper completion of Other Payers header summary for both Medicare and supplemental insurance policies. For questions, contact Provider Communications via eMOMED messaging or call (573) 751-2896.