Medicare In Brief
MTWA covered: Cambridge Heart receives national coverage for its Heartwave II Microvolt T-Wave Alternans test March 21. The non-invasive test can identify patients who are unlikely to benefit from an implantable cardioverter defibrillator. ICD manufacturers, who argued against coverage during the public comment period, fear that the final decision represents an attempt by CMS to cut Medicare costs by reducing the ICD candidate population. The final coverage determination echoes CMS' Dec. 21 proposed decision, which requires use of Cambridge Heart's patented analytic spectral algorithm, but does not mandate MTWA testing for a patient to be eligible for an ICD (1"The Gray Sheet" Jan. 2, 2006, p. 6). Because General Electric's Marquette T-Wave Alternans device relies on a different algorithm than Cambridge Heart's, CMS says that all local carriers covering GE's device must halt coverage until the firm applies for an NCD...