Medicare/Medi-Cal Crossover Claims: Inpatient Services ...

The Centers for Medicare & Medicaid Services (CMS) has interpreted these new provisions of federal law to require a “service by service” comparison of the rate payable by a state Medicaid agency to the amount paid under the Medicare program for the same service. ... – Enter code A1 if Medicare is the primary payer, or B1 if Medicare is a ... ................
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