While comments continue to pour in, both in opposition and support, regarding the U.S. Centers for Medicare & Medicaid Services’ (CMS) proposed national coverage decision that would restrict Medicare coverage of monoclonal antibodies intended to treat Alzheimer’s to those used in CMS- or NIH-approved clinical trials, some groups also are appealing to Health and Human Services (HHS) Secretary Xavier Becerra to step into an HHS agency turf war.