A diagnostic accuracy study validating cardiovascular ICD-9-CM codes in healthcare administrative databases. The Umbria Data-Value Project.

by Francesco Cozzolino, Alessandro Montedori, Iosief Abraha, Paolo Eusebi, Chiara Grisci, Anna Julia Heymann, Guido Lombardo, Anna Mengoni, Massimiliano Orso, Giuseppe Ambrosio
Published 2019-01-01

Accuracy of ICD-9 codes in identifying patients with peptic ulcer and gastrointestinal hemorrhage in the regional healthcare administrative database of Umbria.

by Massimiliano Orso, Iosief Abraha, Anna Mengoni, Fabrizio Taborchi, Marcello De Giorgi, David Franchini, Paolo Eusebi, Anna Julia Heymann, Alessandro Montedori, Giuseppe Ambrosio, Francesco Cozzolino
Published 2020-01-01

Validity of cerebrovascular ICD-9-CM codes in healthcare administrative databases. The Umbria Data-Value Project.

by Massimiliano Orso, Francesco Cozzolino, Serena Amici, Marcello De Giorgi, David Franchini, Paolo Eusebi, Anna Julia Heymann, Guido Lombardo, Anna Mengoni, Alessandro Montedori, Giuseppe Ambrosio, Iosief Abraha
Published 2020-01-01