Chart validation of inpatient ICD-9-CM administrative diagnosis codes for acute myocardial infarction (AMI) among intravenous immune globulin (IGIV) users in the Sentinel Distributed Database.
Eric M AmmannMarin L SchweizerJennifer G RobinsonJayasheel O EscholRami KafaSaket GirotraScott K WinieckiCandace C FullerRyan M CarnahanCharles E LeonardCole B HaskinsCrystal GarciaElizabeth A ChrischillesPublished in: Pharmacoepidemiology and drug safety (2018)
The PPVs for principal and secondary AMI diagnoses were high and similar to estimates from prior chart validation studies. Position-unspecified diagnosis codes were less likely to represent true AMI cases.