Cardiologist involvement ups Medicare imaging costs

January 22, 2008 Diagnostic Imaging. Cardiologist involvement ups Medicare imaging costs Cardiac CT boosts self-referred utilization, other nonradiology specialists see modest growth James Brice -------------------------------------------------------------------------------- The explosive growth of Medicare outpatient imaging from 2000 to 2005 explains why federal regulators have singled out radiologists for restraints. Medicare payments for outpatient medical imaging jumped 93% during that period, from $6 billion to more than $11 billion. The increase reflected a shift in preference toward high-cost, high-tech modalities, especially CT and MR. Utilization among cardiologists became a major contributor to imaging-related inflation. The trend line for Medicare Part B imaging growth was flat through the latter half of the 1990s before beginning to move steadily upward, said Dr. Vijay Rao, radiology chair at Thomas Jefferson University Hospital. By 2005, more than four outpatient imaging exams were performed for each Medicare beneficiary, up from three exams per beneficiary in 1996. On a procedural basis, overall utilization rate for noninvasive diagnostic imaging among the Medicare fee-for-service population increased 23% in the five-year period.

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