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Between 2010 and 2016, we identified 592 patients discharged with a first known principal or secondary ICD code for SCM in our medical system. On chart review, 580 charts had a diagnosis of SCM (positive predictive value 98%; 95% CI: 96.4\u201098.8), although 38 (6.4%) did not have active clinical manifestations of SCM during the hospitalization. Moreover, only 66.8% underwent cardiac catheterization and 91.5% underwent echocardiography. These findings suggest that, although all but a few hospitalized patients with an ICD code for SCM had a diagnosis of SCM, some of these were chronic cases, and numerous patients with a new diagnosis of SCM did not undergo a complete diagnostic workup. Researchers should be mindful of these limitations in future studies involving administrative databases.<\/jats:p>","DOI":"10.12788\/jhm.3344","type":"journal-article","created":{"date-parts":[[2019,12,13]],"date-time":"2019-12-13T14:23:51Z","timestamp":1576247031000},"page":"160-163","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["Utility of ICD Codes for Stress Cardiomyopathy in Hospital Administrative Databases: What Do They Signify?"],"prefix":"10.1002","volume":"15","author":[{"given":"Anusha G","family":"Bhat","sequence":"first","affiliation":[{"name":"Department of Medicine University of Massachusetts Medical School Baystate Medical Center Springfield Massachusetts"},{"name":"Division of Public Health Policy School of Public Health and Health Sciences University of Massachusetts Amherst 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