Does ICD-9 code 410.x accurately identify incident acute myocardial infarction in Medicaid data?
ICD-9 code 410.x provides a valid method for identifying incident acute myocardial infarction in Medicaid claims data.
ICD-9 code 410.x had high predictive value for identifying AMI. Among those with AMI, smoking and aspirin use was similar in NSAID exposure groups, suggesting these factors will not confound the relationship between NSAIDs and cardiovascular outcomes.
Choma et al. (Fri,) studied this question.
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