{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,13]],"date-time":"2026-10-13T13:51:54Z","timestamp":1791899514053,"version":"4.3.4"},"reference-count":11,"publisher":"Wiley","issue":"9","license":[{"start":{"date-parts":[[2022,6,29]],"date-time":"2022-06-29T00:00:00Z","timestamp":1656460800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/100002429","name":"Amgen","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100002429","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100013384","name":"Kaiser Permanente Washington Health Research Institute","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100013384","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Pharmacoepidemiology and Drug"],"published-print":{"date-parts":[[2022,9]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Purpose<\/jats:title><jats:p>To estimate the positive predictive value (PPV) of International Classification of Diseases, Tenth Revision, Clinical Modification (ICD\u201010\u2010CM) diagnosis codes for identifying HF subtypes.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>We validated ICD\u201010\u2010CM HF diagnosis codes among Kaiser Permanente Washington enrollees who were \u226518\u2009years of age and had an ICD\u201010\u2010CM HF diagnosis code during 2017\u20132018 and a procedure code for an echocardiogram in the 12\u2009months before through 6\u00a0months after the HF code. Left ventricular ejection fraction (LVEF) ascertained from medical chart review was used as the gold standard for classifying patients as having reduced ejection fraction (rEF), mid\u2010range ejection fraction (mEF), or preserved ejection fraction (pEF).<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Among 6194 eligible patients, we randomly sampled 1000 for medical chart review. A total of 974 patients had LVEF information in their chart. The ICD\u201010\u2010CM HF code group with the highest PPV for rEF was I50.20\u2010I50.23, \u201cSystolic (congestive) heart failure,\u201d PPV\u2009=\u200941.4% (95% CI, 34.5\u201348.7%); and the highest PPV for mEF or rEF was also I50.20\u2010I50.23, PPV\u2009=\u200970.2% (95% CI, 63.1\u201376.4%). The highest PPV for pEF was the I50.30\u2010I50.33 group, \u201cDiastolic (congestive) heart failure,\u201d PPV\u2009=\u200992.0% (95% CI, 88.1\u201394.7%); and the highest PPV for mEF or pEF was also I50.30\u2010I50.33, PPV\u2009=\u200997.7% (95% CI, 95.1\u201399.0%).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>If the accuracy measure of greatest interest is PPV, our results suggest that ICD\u201010\u2010CM HF codes alone may not be adequate for identifying patients with rEF but may be adequate for identifying patients with pEF. HF coding practices may vary across settings, which may impact generalizability of our findings.<\/jats:p><\/jats:sec>","DOI":"10.1002\/pds.5489","type":"journal-article","created":{"date-parts":[[2022,6,7]],"date-time":"2022-06-07T08:03:16Z","timestamp":1654588996000},"page":"992-997","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":17,"title":["Validation of international classification of diseases, tenth revision, clinical modification diagnosis codes for heart failure subtypes"],"prefix":"10.1002","volume":"31","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-0481-6168","authenticated-orcid":false,"given":"Gaia","family":"Pocobelli","sequence":"first","affiliation":[{"name":"Kaiser Permanente Washington Health Research Institute  Washington District of Columbia USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Laura","family":"Ichikawa","sequence":"additional","affiliation":[{"name":"Kaiser Permanente Washington Health Research Institute  Washington District of Columbia USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Onchee","family":"Yu","sequence":"additional","affiliation":[{"name":"Kaiser Permanente Washington Health Research Institute  Washington District of Columbia USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Beverly B.","family":"Green","sequence":"additional","affiliation":[{"name":"Kaiser Permanente Washington Health Research Institute  Washington District of Columbia USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kelly","family":"Meyers","sequence":"additional","affiliation":[{"name":"Kaiser Permanente Washington Health Research Institute  Washington District of Columbia USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Regan","family":"Gray","sequence":"additional","affiliation":[{"name":"Kaiser Permanente Washington Health Research Institute  Washington District of Columbia USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mary","family":"Shea","sequence":"additional","affiliation":[{"name":"Kaiser Permanente Washington Health Research Institute  Washington District of Columbia USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jessica","family":"Chubak","sequence":"additional","affiliation":[{"name":"Kaiser Permanente Washington Health Research Institute  Washington District of Columbia USA"},{"name":"Department of Epidemiology University of Washington  Washington District of Columbia USA"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2022,6,29]]},"reference":[{"key":"e_1_2_12_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.amjmed.2015.10.003"},{"key":"e_1_2_12_3_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.cardfail.2019.04.010"},{"key":"e_1_2_12_4_1","doi-asserted-by":"publisher","DOI":"10.1002\/ejhf.878"},{"key":"e_1_2_12_5_1","unstructured":"Centers for Disease Control and Prevention\/National Center for Health Statistics.International Classification of Diseases Tenth Revision Clinical Modificiation (ICD\u201010\u2010CM). Available from:http:\/\/www.cdc.gov\/nchs\/icd\/icd10cm.htm."},{"key":"e_1_2_12_6_1","unstructured":"Centers for Disease Control and Prevention\/National Center for Health Statistics.International Classification of Diseases Ninth Revision Clinical Modification (ICD\u20109\u2010CM). Available from:https:\/\/www.cdc.gov\/nchs\/icd\/icd9cm.htm."},{"key":"e_1_2_12_7_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.cardfail.2019.01.019"},{"key":"e_1_2_12_8_1","doi-asserted-by":"publisher","DOI":"10.7326\/L17\u20100077"},{"key":"e_1_2_12_9_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ahj.2020.02.004"},{"key":"e_1_2_12_10_1","doi-asserted-by":"publisher","DOI":"10.1161\/CIR.0000000000001063"},{"key":"e_1_2_12_11_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jclinepi.2011.09.002"},{"key":"e_1_2_12_12_1","doi-asserted-by":"publisher","DOI":"10.1002\/prp2.676"}],"container-title":["Pharmacoepidemiology and Drug Safety"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/pdf\/10.1002\/pds.5489","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/full-xml\/10.1002\/pds.5489","content-type":"application\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/pdf\/10.1002\/pds.5489","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2023,8,23]],"date-time":"2023-08-23T07:29:38Z","timestamp":1692775778000},"score":1,"resource":{"primary":{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/10.1002\/pds.5489"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2022,6,29]]},"references-count":11,"journal-issue":{"issue":"9","published-print":{"date-parts":[[2022,9]]}},"alternative-id":["10.1002\/pds.5489"],"URL":"https:\/\/doi.org\/10.1002\/pds.5489","archive":["Portico"],"relation":{},"ISSN":["1053-8569","1099-1557"],"issn-type":[{"value":"1053-8569","type":"print"},{"value":"1099-1557","type":"electronic"}],"subject":[],"published":{"date-parts":[[2022,6,29]]},"assertion":[{"value":"2021-11-12","order":0,"name":"received","label":"Received","group":{"name":"publication_history","label":"Publication History"}},{"value":"2022-06-05","order":1,"name":"accepted","label":"Accepted","group":{"name":"publication_history","label":"Publication History"}},{"value":"2022-06-29","order":2,"name":"published","label":"Published","group":{"name":"publication_history","label":"Publication History"}}]}}