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The quality of care in the Veterans Affairs (VA) healthcare system improved significantly during the period from 1997 through 2000 and was significantly better than that in the Medicare fee-for-service program (N Engl J Med 2003; 348:2218). The aim of the Choosing Wisely campaign is to encourage medical specialty societies to develop lists of recommendations for tests that are overused or misused. To that end, researchers retrospectively compared neuroimaging appropriateness for headache and for peripheral neuropathy in a large Medicare cohort and in a VA cohort from 2004 to 2011. Inclusion criteria were age over 65 years and an outpatient visit for incident neuropathy or primary headache. The VA cohort included 93,755 services for headache…