Clinical codes combined with procedure codes increase diagnostic accuracy of Crohn’s disease in a US military health record

Background and aims Previous examinations of International Classification of Disease, Ninth Revision, Clinical Modification (ICD-9-CM) codes to predict accuracy of diagnosis in inflammatory bowel disease have had limited chart review to confirm diagnosis. We aimed to evaluate using the ICD-9-CM for...

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Bibliographic Details

Published in:	BMJ Open Gastroenterology
Main Authors:	Susan Hutfless, Manish Singla, Elie Al Kazzi, Benjamin Rodriguez, John Betteridge, Steven R Brant
Format:	Article
Language:	English
Published:	BMJ Publishing Group 2020-12-01
Online Access:	https://bmjopengastro.bmj.com/content/7/1/e000378.full