This study examines the efficacy of other forms of diagnosis of distal symmetric polyneuropathy (DSP), a prevalent condition that results in high costs from diagnostic testing. Often, neurologists can diagnose DSP without a diagnostic test and effectively make changes to disease management. 

Brian C. Callaghan, MD, of the department of neurology at the University of Michigan in Ann Arbor, and colleagues conducted the study to determine how often neurologists and diagnostic tests influence the diagnosis and management of DSP in a community setting.

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