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MSP (Medicare secondary payer)

Modified: 5/2/2022
Use this form to calculate estimated MSP payments for Part B of the Medicare program.
Interactive tools
more MSP calculator -- calculate estimated MSP payments for Part B of the Medicare program.
more ESRD coordination period calculator -- determine a beneficiary's ESRD (end-stage renal disease) coordination period.
MSP billing and claims
more Billing the correct Medicare secondary payer insurance type code -- learn how to avoid MSP payment delays and inappropriate denials.
more MSP interactive billing tool simulation video-- this simulation assists in determining if Medicare is primary.
more Electronic filing of Medicare secondary payer claims (MSP) -- find information for filing MSP claims in the 5010 format.
more Requesting Medicare secondary payer conditional payments -- conditional payments are Medicare payments for Medicare covered services for which another insurer is primary payer, made under the condition they are subject to repayment if and when the primary payer makes payment [IOM Pub 100-05 MSP Manual].
more Limitations on ESRD coverage by certain health care plans -- this article refers to denials when Medicare is the secondary payer during the coordination period of 30 months required for beneficiaries that are eligible for Medicare due to an ESRD diagnosis.
First Coast Service Options (First Coast) strives to ensure that the information available on our provider website is accurate, detailed, and current. Therefore, this is a dynamic site and its content changes daily. It is best to access the site to ensure you have the most current information rather than printing articles or forms that may become obsolete without notice.
Part B