The Wall Street Journal reports that some health insurers have hired outside firms to serve as radiology benefits managers (RBMs) to ensure that physicians use high-tech scans such as CTs and MRIs only when patients will clearly benefit from them. According to some physicians, however, the RBMs' review procedures can result in delays or rejections that sometimes pose risks for patients, waste staff time, and force physicians to justify decisions to reviewers who haven't seen the patients.
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