Validation of the International Classification of Diseases, Tenth Revision-Clinical Modification Diagnostic Code for Essential Tremor.

IF 2.5 Q2 CLINICAL NEUROLOGY

Tremor and Other Hyperkinetic Movements Pub Date : 2024-07-04 eCollection Date: 2024-01-01 DOI:10.5334/tohm.905

Susanna D Howard, Shikha Singh, Dominick Macaluso, Iahn Cajigas, Whitley W Aamodt, John T Farrar

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Abstract

Background: The positive predictive value (PPV) of the International Classification of Diseases, Ninth Revision-Clinical Modification (ICD-9-CM) code for "essential and other specified forms of tremor" in identifying essential tremor (ET) cases was found to be less than 50%. The ability of the ICD-10-CM G25.0 code for "essential tremor" to identify ET has not been determined. The study objective was to determine the PPV of the G25.0 code.

Methods: Patients in a tertiary health system with a primary care encounter associated with ICD-10-CM code G25.0 in 2022 underwent medical record review to determine if the consensus criteria from the International Parkinson and Movement Disorder Society for an ET diagnosis were met.

Results: 442 patients were included. The PPV of G25.0 in identifying probable ET cases was 74.7% (95% confidence interval (CI) 70.4-78.5%). Among patients prescribed propranolol, the PPV improved to 87.8% (95% CI 78.0-93.6%).

Discussion: Compared to the ICD-9-CM code 333.1, G25.0 is superior for identifying ET cases. A potential limitation of this study is that the consensus criteria applied relies on nonspecific physical exam findings which may lead to an overestimation of the PPV of G25.0.

Highlights: The ICD-10-CM diagnosis code for essential tremor has not been previously validated. The objective of this study was to determine the PPV of the G25.0 code. The PPV in identifying essential tremor cases was 74.7%. The PPV improved among patients prescribed propranolol.

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验证《国际疾病分类》第十版--本质性震颤的临床修正诊断代码。

背景：国际疾病分类第九版-临床修正》（ICD-9-CM）中 "本质性震颤和其他特定形式的震颤 "代码在鉴别本质性震颤（ET）病例方面的阳性预测值（PPV）低于 50%。ICD-10-CM G25.0 "本质性震颤 "代码识别 ET 的能力尚未确定。本研究旨在确定 G25.0 代码的 PPV：对 2022 年在一家三级医疗系统就诊的、与 ICD-10-CM 代码 G25.0 相关的初级保健患者进行病历审查，以确定其是否符合国际帕金森和运动障碍协会关于 ET 诊断的共识标准：结果：共纳入 442 名患者。G25.0在确定可能的ET病例方面的PPV为74.7%（95%置信区间（CI）为70.4-78.5%）。在服用普萘洛尔的患者中，PPV 提高到 87.8%（95% 置信区间 78.0-93.6%）：讨论：与ICD-9-CM代码333.1相比，G25.0在识别ET病例方面更具优势。本研究的一个潜在局限是，所采用的共识标准依赖于非特异性的体格检查结果，这可能会导致高估 G25.0 的 PPV：ICD-10-CM中关于本质性震颤的诊断代码尚未经过验证。本研究旨在确定 G25.0 编码的 PPV。识别本质性震颤病例的 PPV 为 74.7%。普萘洛尔处方患者的 PPV 有所提高。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Tremor and Other Hyperkinetic Movements CLINICAL NEUROLOGY-

CiteScore

4.00

自引率

4.50%

发文量

审稿时长

6 weeks