As 2018 RADV Audits Get Underway, MA Overpayment Rule Gets Modest Makeover

  • Jan 16, 2025

    Using an extrapolation methodology that will allow the federal government to recoup billions of dollars in estimated overpayments to Medicare Advantage insurers, CMS this year intends to conduct Risk Adjustment Data Validation (RADV) audits of 60 MA organizations for payments issued in 2018. Per CMS’s final rule issued in 2023, that is the first year the agency will apply the extrapolation methodology, which is the subject of an ongoing lawsuit filed by Humana Inc. At the same time, CMS expects MA organizations to return overpayments for Part C services that they identify, albeit with a slightly different interpretation of what leads to that identification.

    At the center of Humana’s argument in Humana Inc. et al v. Becerra et al (No. 4:23-cv-909-O), which was filed in the U.S. District Court for the Northern District of Texas in September 2023, is CMS’s choice not to apply a fee-for-service adjuster when estimating overpayment recoveries. The FFS adjuster was intended to account for any impact from unaudited diagnosis codes in FFS Medicare data that are used to calibrate the MA risk adjustment model. Although CMS in 2012 informed plans that it would use the FFS adjuster, it ultimately deemed it unnecessary without offering “any empirical or actuarial justification for its new audit methodology,” Humana argued.

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  • Lauren Flynn Kelly

    Lauren has been covering health business issues since the early 2000s and specializes in in-depth reporting on Medicare Advantage, managed Medicaid and Medicare Part D. She also possesses a deep understanding of the complex world of pharmacy benefit management, having written AIS Health’s Radar on Drug Benefits from 2004 to 2005 and again from 2011 to 2016. In addition to her role as managing editor of Radar on Medicare Advantage, she oversees AIS Health’s publications and manages the health editorial staff. She graduated from Vassar College with a B.A. in English.

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