If a doctor is found to be ordering too many MRI or CT scans or other imaging tests for Medicare patients, a federal law is supposed to require the physician to get federal approval for all diagnostic imaging. But the Trump administration has stalled the law's implementation.
Critics of Anthem's policy say imposing a blanket rule that gives preference to freestanding imaging centers is at odds with promoting quality and will lead to fragmented care for patients.
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Breasts deemed "dense" in a mammogram tend to have less fatty tissue and more connective tissue, breast ducts and glands, doctors say. About 40 percent of women between the ages of 40 and 74 have dense breasts.
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