The Chronic Pancreatitis ICD-9-CM Code 577.1 is Inaccurate Compared to Gold-standard Clinical Diagnostic Scoring Systems

摘要

ObjectivesEpidemiological studies employing administrative databases use the ICD-9-CM code (577.1) to identify patients with chronic pancreatitis (CP). We hypothesized that coding of CP in these databases is inaccurate.