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. Author manuscript; available in PMC: 2012 Apr 1.
Published in final edited form as: J Pediatr. 2010 Nov 12;158(4):562–565.e1. doi: 10.1016/j.jpeds.2010.09.061

TABLE 1.

ICD-9 codes included in biliary tract disorder category

277.4 Disorders of bilirubin excretion
571.6 Biliary cirrhosis
574.xx Cholelithiasis
575.xx Disorders of gallbladder
576.xx Disorders of biliary tract
751.6x Anomalies of gallbladder, bile ducts, and liver
751.61 Biliary atresia
779.3 Nonspecific abnormal findings on examination of biliary tract