title: PET scan coverage expansion, claims changes issued.
mesh_terms: D014487:Centers for Medicare and Medicaid Services, U.S.; D039702:Current Procedural Terminology; D006801:Humans; D007344:Insurance Claim Reporting / Q000145:classification*; D006278:Medicare; D010350:Patient Credit and Collection; D014055:Tomography, Emission-Computed / Q000191:economics*; D014481:United States