{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,2]],"date-time":"2026-10-02T04:17:06Z","timestamp":1790914626747,"version":"4.1.0"},"reference-count":30,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2026,3,8]],"date-time":"2026-03-08T00:00:00Z","timestamp":1772928000000},"content-version":"vor","delay-in-days":7,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"},{"start":{"date-parts":[[2026,3,1]],"date-time":"2026-03-01T00:00:00Z","timestamp":1772323200000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"funder":[{"DOI":"10.13039\/100000002","name":"National Institutes of Health","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100000002","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100000049","name":"National Institute on Aging","doi-asserted-by":"publisher","award":["1R01AG060232\u201001A1"],"award-info":[{"award-number":["1R01AG060232\u201001A1"]}],"id":[{"id":"10.13039\/100000049","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["J of Clinical Hypertension"],"published-print":{"date-parts":[[2026,3]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:p>The incidence of hypertensive (HTN) crises in older adults has more than doubled over the past two decades. ICD\u201010 introduced codes for HTN urgency and emergency, but their validity has not been evaluated. We analyzed a 20% national sample of fee\u2010for\u2010service Medicare beneficiaries aged \u226566 years (2016\u20132019). Medical records were reviewed for 220 randomly sampled emergency department visits or hospitalizations with a primary ICD\u201010 HTN crisis code (100 HTN urgency [I16.0], 100 HTN emergency [I16.1] and 20 unspecified [I16.9]). Physicians abstracted and adjudicated cases. Two gold standards (GS) were used: (1) treating physician diagnosis and (2) adjudicated diagnosis based on BP (SBP \u2265180\u00a0mmHg or DBP \u2265110\u00a0mmHg), with or without end\u2010organ damage. PPVs and 95% confidence intervals were estimated. Among 220 charts sampled from 53,100 HTN crisis cases (mean age 73 years; 33% male; 66% White), PPV for HTN emergency (I16.1) was 91% (95% CI, 85%\u201396%) using the treating physician GS and 78% (95% CI, 71%\u201386%) using the adjudicated GS. PPV for HTN urgency (I16.0) was 97% (95% CI, 93%\u201399%) and 81% (95% CI, 72%\u201388%), respectively. Overall PPV for any HTN crisis (I16.X) using the adjudicated GS was 95% (95% CI, 91%\u201397%). Including unspecified codes reduced PPV to 86% (95% CI, 79%\u201392%) and 78% (95% CI, 71\u201386%). ICD\u201010 HTN crisis codes demonstrate high PPV, supporting their use in epidemiologic and health services research.<\/jats:p>","DOI":"10.1111\/jch.70217","type":"journal-article","created":{"date-parts":[[2026,3,9]],"date-time":"2026-03-09T05:01:35Z","timestamp":1773032495000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Accuracy of New Hypertensive Crisis Diagnoses Using International Classification of Disease (ICD)\u201010: A Validation Study in a National Medicare Sample"],"prefix":"10.1111","volume":"28","author":[{"given":"Aayush","family":"Visaria","sequence":"first","affiliation":[{"name":"Division of General Internal Medicine, Department of Medicine Rutgers Robert Wood Johnson Medical School  New Brunswick New Jersey USA"},{"name":"Rutgers Health RWJBarnabas Health Center for Climate, Health and Healthcare Rutgers Institute for Health, Health Care Policy, and Aging Research  New Brunswick New Jersey USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ashwaghosha","family":"Parthasarathi","sequence":"additional","affiliation":[{"name":"Rutgers Health RWJBarnabas Health Center for Climate, Health and Healthcare Rutgers Institute for Health, Health Care Policy, and Aging Research  New Brunswick New Jersey USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Poonam","family":"Gandhi","sequence":"additional","affiliation":[{"name":"Rutgers Health RWJBarnabas Health Center for Climate, Health and Healthcare Rutgers Institute for Health, Health Care Policy, and Aging Research  New Brunswick New Jersey USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Benjamin","family":"Bates","sequence":"additional","affiliation":[{"name":"Division of General Internal Medicine, Department of Medicine Rutgers Robert Wood Johnson Medical School  New Brunswick New Jersey USA"},{"name":"Center for Pharmacoepidemiology and Treatment Sciences Rutgers Institute for Health, Health Care Policy, and Aging Research  New Brunswick New Jersey USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Melanie","family":"Rua","sequence":"additional","affiliation":[{"name":"Rutgers Health RWJBarnabas Health Center for Climate, Health and Healthcare Rutgers Institute for Health, Health Care Policy, and Aging Research  New Brunswick New Jersey USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tobias","family":"Gerhard","sequence":"additional","affiliation":[{"name":"Center for Pharmacoepidemiology and Treatment Sciences Rutgers Institute for Health, Health Care Policy, and Aging Research  New Brunswick New Jersey USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Samanvaya","family":"Sharma","sequence":"additional","affiliation":[{"name":"Division of General Internal Medicine, Department of Medicine Rutgers Robert Wood Johnson Medical School  New Brunswick New Jersey USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Matthew","family":"Pelton","sequence":"additional","affiliation":[{"name":"Division of General Internal Medicine, Department of Medicine Rutgers Robert Wood Johnson Medical School  New Brunswick New Jersey USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Conan","family":"Chen","sequence":"additional","affiliation":[{"name":"Division of General Internal Medicine, Department of Medicine Rutgers Robert Wood Johnson Medical School  New Brunswick New Jersey USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Seung Jae","family":"Moon","sequence":"additional","affiliation":[{"name":"Division of General Internal Medicine, Department of Medicine Rutgers Robert Wood Johnson Medical School  New Brunswick New Jersey USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Arnab K.","family":"Ghosh","sequence":"additional","affiliation":[{"name":"Department of Medicine Weill Cornell Medicine  New York New York USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Partho","family":"Sengupta","sequence":"additional","affiliation":[{"name":"Division of Cardiology, Department of Medicine Rutgers Robert Wood Johnson Medical School  New Brunswick New Jersey USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Soko","family":"Setoguchi","sequence":"additional","affiliation":[{"name":"Division of General Internal Medicine, Department of Medicine Rutgers Robert Wood Johnson Medical School  New Brunswick New Jersey USA"},{"name":"Division of Cardiology, Department of Medicine Rutgers Robert Wood Johnson Medical School  New Brunswick New Jersey USA"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2026,3,8]]},"reference":[{"key":"e_1_2_7_2_1","doi-asserted-by":"publisher","DOI":"10.1001\/jamanetworkopen.2024.31997"},{"key":"e_1_2_7_3_1","doi-asserted-by":"publisher","DOI":"10.1001\/jama.2020.14545"},{"key":"e_1_2_7_4_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ijchy.2020.100066"},{"key":"e_1_2_7_5_1","doi-asserted-by":"publisher","DOI":"10.1161\/CIRCULATIONAHA.121.057056"},{"key":"e_1_2_7_6_1","doi-asserted-by":"publisher","DOI":"10.1161\/HYPERTENSIONAHA.118.11691"},{"key":"e_1_2_7_7_1","doi-asserted-by":"publisher","DOI":"10.1093\/ajh\/hpx048"},{"key":"e_1_2_7_8_1","doi-asserted-by":"publisher","DOI":"10.1161\/JAHA.116.004511"},{"key":"e_1_2_7_9_1","doi-asserted-by":"publisher","DOI":"10.1002\/pds.5330"},{"key":"e_1_2_7_10_1","doi-asserted-by":"publisher","DOI":"10.1161\/CIRCOUTCOMES.122.009078"},{"key":"e_1_2_7_11_1","doi-asserted-by":"publisher","DOI":"10.1161\/HYPERTENSIONAHA.124.22885"},{"key":"e_1_2_7_12_1","doi-asserted-by":"publisher","DOI":"10.1001\/jamaneurol.2024.2044"},{"key":"e_1_2_7_13_1","doi-asserted-by":"publisher","DOI":"10.1371\/journal.pone.0253580"},{"issue":"4","key":"e_1_2_7_14_1","first-page":"E413","article-title":"Validity 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