1. Despite savings on many lab tests in 2019, total Medicare spending increased slightly because of increased utilization for certain high-priced tests Publication: Washington, D.C. : U.S. Department of Health and Human Services, Office of Inspector General, December 2020 Subject(s): Diagnostic Techniques and Procedures -- economicsGenetic Testing -- economicsGovernment RegulationMedicare -- economicsUnited StatesUnited States. Department of Health and Human Services