MSP Pay Modules to Calculate Medicare Secondary Payment

50 - MSP Pay Modules to Calculate Medicare Secondary Payment Amount (Rev. 11550; Issued: 08-12-22; Effective: 10-13-22; Implementation:10-13-22) The MSP Payment Modules are used to calculate the Medicare secondary payment amount. The calculation is based on information from the claim, payment calculation amounts and the primary insurer's explanation of benefits data for hardcopy claims. The A/B MACs (Part A), A/B MACs (Part B), and A/B MACs (Part HHH) (collectively referred to as A/B MACs) and the DME MACs, through the shared systems, send the appropriate data which includes submitted charges, the other payer allowed amount (Part B claims only), the other payer paid amount, the obligated to accept in full (OTAF) amount, and Medicare’s fee schedule amount to the MSP payment modules, identified below, to calculate the secondary payment amount.