Validation of ICD-10 hospital discharge diagnosis codes to identify incident and recurrent ischemic stroke from a US integrated healthcare system.
Abraelle M ShirleyKerresa L MorrissetteSoon Kyu ChoiKristi L ReynoldsHui ZhouMengnan M ZhouRong WeiYiyi ZhangPamela ChengEric WongNavdeep SanghaJaeJin AnPublished in: Pharmacoepidemiology and drug safety (2023)
The 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.