biostudies-literatureUnknown8(4)Orso MMinistero della Salute<h4>Objectives</h4>To assess the accuracy of International Classification of Diseases, Ninth Revision, Clinical Modification (ICD-9-CM) codes in identifying subjects with melanoma.<h4>Design</h4>A diagnostic accuracy study comparing melanoma ICD-9-CM codes (index test) with medical chart (reference standard). Case ascertainment was based on neoplastic lesion of the skin and a histological diagnosis from a primary or metastatic site positive for melanoma.<h4>Setting</h4>Administrative databases from Umbria Region, Azienda Sanitaria Locale (ASL) Napoli 3 Sud (NA) and Friuli Venezia Giulia (FVG) Region.<h4>Participants</h4>112, 130 and 130 cases (subjects with melanoma) were randomly selected from Umbria, NA and FVG, respectively; 94 non-cases (subjects without melanoma) were randomly selecteBMJ opene020631https://www.ebi.ac.uk/biostudies/studies/S-EPMC5914898biostudies-literatureValidating malignant melanoma ICD-9-CM codes in Umbria, ASL Napoli 3 Sud and Friuli Venezia Giulia administrative healthcare databases: a diagnostic accuracy study.PMC5914898Cirocchi RSerraino DFranchini DFusco MD.I.V.O. GroupOrso MGranata ACasucci PGobbato MChiari RAbraha IVitale MFGiovannini GGiorgi MStracci FOrlandi WCollarile PBidoli EEusebi PMontedori ACozzolino FCiullo VAlessandrini GfalseValidating malignant melanoma ICD-9-CM codes in Umbria, ASL Napoli 3 Sud and Friuli Venezia Giulia administrative healthcare databases: a diagnostic accuracy study.<h4>Objectives</h4>To assess the accuracy of International Classification of Diseases, Ninth Revision, Clinical Modification (ICD-9-CM) codes in identifying subjects with melanoma.<h4>Design</h4>A diagnostic accuracy study comparing melanoma ICD-9-CM codes (index test) with medical chart (reference standard). Case ascertainment was based on neoplastic lesion of the skin and a histological diagnosis from a primary or metastatic site positive for melanoma.<h4>Setting</h4>Administrative databases from Umbria Region, Azienda Sanitaria Locale (ASL) Napoli 3 Sud (NA) and Friuli Venezia Giulia (FVG) Region.<h4>Participants</h4>112, 130 and 130 cases (subjects with melanoma) were randomly selected from Umbria, NA and FVG, respectively; 94 non-cases (subjects without melanoma) were randomly selecte2018-01-01T00:00:00Z2018 Apr2025-04-04T22:41:27.384Z2019-03-26T22:47:23ZS-EPMC59148982967898410.1136/bmjopen-2017-020631