Validation of ICD-10 hospital discharge diagnosis codes to identify incident and recurrent ischemic stroke from a US integrated healthcare system.

Validation of ICD-10 hospital discharge diagnosis codes to identify incident and recurrent ischemic stroke from a US integrated healthcare system.
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验证 ICD-10 出院诊断代码,以识别来自美国综合医疗保健系统的事件和复发性缺血性中风。

DOI:
10.1002/pds.5675
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发表时间:
2023
影响因子:
2.6
通讯作者:
An,Jaejin
An,Jaejin
中科院分区:
医学4区
文献类型:
--
作者:
Shirley,AbraelleM;Morrisette,KerresaL;Choi,SoonKyu;Reynolds,Kristi;Zhou,Hui;Zhou,MengnanM;Wei,Rong;Zhang,Yiyi;Cheng,Pamela;Wong,Eric;Sangha,Navdeep;An,Jaejin

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本研究验证了国际疾病分类第十版临床修订版(ICD-10)出院诊断代码识别的缺血性卒中事件和复发。(≥18岁)接受Kaiser Permanente Southern加州的护理,具有ICD-10缺血性中风出院诊断代码在2015年10月至2020年9月期间(I63.x、G46.3和G46.4),我们确定了75例发生和复发卒中事件的患者(共150例病例)。两名神经科医生通过图表reviews.ResultsThe阳性预测值(PPV,95%CI)为93%(95%CI:88%,99%)和PPV为72%(95%CI:62%,82%)的复发性卒中ICD-10代码的有效性进行独立评估。应用20天间隔后,复发性卒中的PPV有所改善(PPV为75%; 95% CI:63%,87%)或删除与卒中相关手术相关的住院(PPV为78%; 95% CI:结论缺血性卒中的ICD-10出院诊断代码显示事件病例的PPV较高,而复发病例的PPV则不太理想。可能需要采用算法来提高ICD-10代码对复发性缺血性卒中的准确性。
PurposeThis study validated incident and recurrent ischemic stroke identified by International Classification of Diseases, Tenth Revision, Clinical Modification (ICD‐10) hospital discharge diagnosis codes.MethodsUsing electronic health records (EHR) of adults (≥18 years) receiving care from Kaiser Permanente Southern California with ICD‐10 hospital discharge diagnosis codes of ischemic stroke (I63.x, G46.3, and G46.4) between October 2015 and September 2020, we identified 75 patients with both incident and recurrent stroke events (total 150 cases). Two neurologists independently evaluated validity of ICD‐10 codes through chart reviews.ResultsThe positive predictive value (PPV, 95% CI) for incident stroke was 93% (95% CI: 88%, 99%) and the PPV for recurrent stroke was 72% (95% CI: 62%, 82%). The PPV for recurrent stroke improved after applying a gap of 20 days (PPV of 75%; 95% CI: 63%, 87%) or removing hospital admissions related to stroke‐related procedures (PPV of 78%; 95% CI: 68%, 88%).ConclusionThe ICD‐10 hospital discharge diagnosis codes for ischemic stroke showed a high PPV for incident cases, while the PPV for recurrent cases were less optimal. Algorithms to improve the accuracy of ICD‐10 codes for recurrent ischemic stroke may be necessary.
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