Bile duct cancerICD-10Background:Administrative database provides valuable information for large cohort studies,especially when tissue diagnosis is rather difficult such as the diagnosis for bile duct cancer(BDC).The aim of this study was to evaluate the diagnostic accuracy of administrative database ...
procedure codes for bile duct repair (icd-9 codes 51.36, 51.37, 51.39, 51.71, 51.72, and 51.79) were used as a surrogate for bdi. because of a limitation of the nis whereby the treatment of patients who were discharged to another medical institution is not linked to the initial treating ...