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Internal medicine journal · Jan 2023
High rate of false-positive postoperative venous thromboembolism identified using hospital ICD-10 coding.
- Hadley Bortz, Linda Shi, Adrian Chee, and Huyen Tran.
- Pharmacy Department, Alfred Health, Victoria, Melbourne, Australia.
- Intern Med J. 2023 Jan 1; 53 (1): 126130126-130.
AbstractThe Health Roundtable, a national benchmarking body, identified our institution as an outlier with a high number of postoperative venous thromboembolism (VTE) events. We performed a retrospective study to determine the accuracy of hospital coding for the incidence and severity of postoperative VTE. Of 232 patients identified from ICD-10 coding, 52 (22.4%) were incorrectly coded. Approximately one third (n = 68) of all VTE were asymptomatic, diagnosed incidentally. Thus, coding data are inherently flawed with inaccuracy and overrepresent the true number of VTE events, with a substantial proportion of limited clinical relevance.© 2023 Royal Australasian College of Physicians.
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